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The Redemption of Time: A Three-Body Problem Novel (The Three-Body Problem Series, 4) Hardcover – July 16, 2019

by Baoshu (Author), Ken Liu (Translator)
4.2 out of 5 stars 3,766 ratings
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Set in the universe of the New York Times bestselling Three-Body Problem trilogy, The Redemption of Time continues Cixin Liu’s multi-award-winning science fiction saga. This original story by Baoshu―published with Liu’s support―envisions the aftermath of the conflict between humanity and the extraterrestrial Trisolarans.

In the midst of an interstellar war, Yun Tianming found himself on the front lines. Riddled with cancer, he chose to end his life, only to find himself flash frozen and launched into space where the Trisolaran First Fleet awaited. Captured and tortured beyond endurance for decades, Yun eventually succumbed to helping the aliens subjugate humanity in order to save Earth from complete destruction.

Granted a healthy clone body by the Trisolarans, Yun has spent his very long life in exile as a traitor to the human race. Nearing the end of his existence at last, he suddenly receives another reprieve―and another regeneration. A consciousness calling itself The Spirit has recruited him to wage battle against an entity that threatens the existence of the entire universe. But Yun refuses to be a pawn again and makes his own plans to save humanity’s future…

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Previous slide of product details
  1. Book 4 of 4
    The Three-Body Problem
  2. Print length
    272 pages
  3. Language
    English
  4. Publisher
    Tor Books
  5. Publication date
    July 16, 2019
  6. Dimensions
    6.42 x 0.95 x 9.59 inches
  7. ISBN-10
    1250306027
  8. ISBN-13
    978-1250306029
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Editorial Reviews

Review

"The Redemption of Time is not a mere derivative of The Three Body Problem, but a thrilling, fascinating new adventure to uncover more mysteries of the Three Body World. " ―Pan Haitian

"This cosmic Romeo and Juliet story takes a welcome journey back to Liu’s fictional universe (with the master’s blessing)." -- Publishers Weekly 'Summer Staff Picks'

"Mind-bendingly fantastic." -- SF in Translation

"...bring[s] to mind the creation story in J.R.R. Tolkien's The Silmarillion. The universe-engulfing struggle recalls John C. Wright's astonishing multibook Eschaton saga. And the whole has a transcendental quality that might earn a nod from William Blake." -- Kirkus

"The Redemption of Time reveals that everything becomes a part of a fairy tale in the end; yet, this fairy tale has to carry the ultimate meaning of life and the universe." ―Han Song

"A highly imaginative alternate world within the bounds of Liu Cixin's creation.... encapsulates the bountifulness and timeless beauty of the universe." ―Liu Waitong

About the Author

Baoshu is a Chinese science fiction and fantasy writer. After receiving his Master of Philosophy in Peking University, Baoshu continued to study at Katholieke Universiteit Leuven and got a second masters there, and finally became a full-time science fiction writer in 2012.

His previous books include What Has Passed Shall in Kinder Light Appear, Garuda, Ruins of Time and Maharoga.



Ken Liu is an award-winning author of speculative fiction. His books include the Dandelion Dynasty series (The Grace of Kings), The Paper Menagerie and Other Stories, The Hidden Girl and Other Stories, and the Star Wars tie-in novel, The Legends of Luke Skywalker. He frequently speaks at conferences and universities on topics like futurism, cryptocurrency, the mathematics of origami, and more. He lives near Boston with his family.

Product details

  • Publisher ‏ : ‎ Tor Books
  • Publication date ‏ : ‎ July 16, 2019
  • Language ‏ : ‎ English
  • Print length ‏ : ‎ 272 pages
  • ISBN-10 ‏ : ‎ 1250306027
  • ISBN-13 ‏ : ‎ 978-1250306029
  • Item Weight ‏ : ‎ 15.7 ounces
  • Dimensions ‏ : ‎ 6.42 x 0.95 x 9.59 inches
  • Book 4 of 4 ‏ : ‎ The Three-Body Problem
  • Best Sellers Rank: #324,361 in Books (See Top 100 in Books)
  • Customer Reviews:
    4.2 out of 5 stars 3,766 ratings

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Customer reviews

4.2 out of 5 stars
3,766 global ratings

Customers say

Customers praise the novel as a perfect ending to the Three-Body Problem series, with one review noting how it neatly ties up plot holes. Moreover, the book receives positive feedback for its insights, with one customer highlighting its comprehensive vision of humanity, and another appreciating how it expands the universe. However, the writing style and imagination receive mixed reactions, with some praising the brilliant writing while others find the writing style too different. Additionally, the pacing receives criticism for meandering, and customers find the book not an easy read.

Select to learn more

Story qualitySeries qualityInsightClosureImaginationWriting stylePacingReadability
39 customers mention "Story quality"30 positive9 negative

Customers praise the story quality of the book, particularly its clever and perfect ending, with one customer noting how it neatly ties up all plot holes.

"...” at times when looking at the expanse of the cosmos but it’s a great story that I’ll be carrying with me for the rest of my life" Read more

"A perfect ending to a fantastic series. I think I've enjoyed this series more than anything I've ever read in any genre...." Read more

"...This is the epic followup you have been waiting for! Some stories just need to continue. And A Three Body Problem is one of them...." Read more

"...The human relationships seemed cliche, and the ending was just plain silly*. (SPOILER)..." Read more

12 customers mention "Series quality"12 positive0 negative

Customers praise the series quality, describing it as a fantastic and incredible trilogy, with one customer noting its incredibly grand arc.

"A perfect ending to a fantastic series. I think I've enjoyed this series more than anything I've ever read in any genre...." Read more

"Tree body problem was a great series, in the tradition of Asimov's Foundation...." Read more

"Such a beautiful finale to an incredible trilogy - highly recommended!" Read more

"...Couldn't put it down. Can't recommend it enough. Great series for all." Read more

11 customers mention "Insight"8 positive3 negative

Customers appreciate the book's insights, with one review noting how it expands the Three-Body universe and provides a Chinese perspective and culture, while another mentions it answers many questions about the Trisolarans.

"...The information is interesting, expanding on the brilliant story of Cixin. But I couldn’t help but to cringe a lot...." Read more

"...While I commend the quality of the story and the depth, the lack of stakes and wholesale dulling of past ones really doesn't cohesively fit within..." Read more

"...The sad thing is the stealing of works from the West and then continue like it is something you have invented is an awful trait of the ccp...." Read more

"...And my, was I rewarded! Baoshu completes and expands the 3-body universe while perfectly respecting the original material...." Read more

7 customers mention "Closure"7 positive0 negative

Customers appreciate how the book provides closure, with one mentioning it fills in gaps left open in the trilogy.

"...He does manage to tie everything up nicely in the end. It was worth the read, though I think it should be going for about half the price." Read more

"Fills in some gaps in the trilogy nicely. I actually bought twice, having lost first copy. Hope that reads as a solid endorsement." Read more

"...by another author, but it is satisfying to read and Wraps up the three books prior...." Read more

"...This book gives closure that was missing and continues to make readers think." Read more

25 customers mention "Imagination"17 positive8 negative

Customers have mixed opinions about the book's imagination, with some praising its fantastic creativity and fun journey, while others criticize it as poor fan fiction.

"Great fan fiction. A little campy at times, but a good story overall. I'm happy that Cixin Liu allowed it to be published as a fourth novel." Read more

"I found all 4 books to be well written with a fantastic imagination. Couldn’t put them down and read one after the other." Read more

"Really interesting and fun but it’s fan fiction and it has its way with the world created by Cixin and I honestly wish I hadn’t have read it." Read more

"...Brilliant imagination." Read more

20 customers mention "Writing style"11 positive9 negative

Customers have mixed opinions about the writing style of the book, with some praising its brilliance while others find it too different. One customer describes it as an unreadable jumble of muddled just-so stories written in unrelentingly clunky prose.

"...incredible imagination that this Baoshu is aiming to match, it's brilliant writing. In the former, Baoshu does very well...." Read more

"The writing is amateurish. Lots of the technical stuff is not only unreadable but un-understandable...." Read more

"...The writing is fine but not close to the brilliance of the original. Again, the author should have made this a separate novel." Read more

"...This book is just another god fantasy and poorly written." Read more

10 customers mention "Pacing"1 positive9 negative

Customers find the pacing of the book negative, with one customer noting it tends to meander, while another mentions it takes wild turns.

"...Hated it. Only got about 60% read and just couldn't endure any more. Rambling, non-sensical and for sure not worthy of association with the original." Read more

"...Then it just meandered and was a heavy slog. Worth reading, for the good parts, for sure" Read more

"...He also tends to meander, making me wonder just where the heck he's going at times. He does manage to tie everything up nicely in the end...." Read more

"...It doesn't hold up to the great works of the original story and takes some wild turns...." Read more

9 customers mention "Readability"1 positive8 negative

Customers find the book difficult to read, with one mentioning that the dialogue is sometimes hard to follow.

"...This is not an easy read. There are turns and twists that one might need to go back and reread portions of the story telling...." Read more

"Do not recommend. Reads like fanfiction...." Read more

"...Minus star points because it is not an easy or fast read." Read more

"The writing is amateurish. Lots of the technical stuff is not only unreadable but un-understandable...." Read more

Top reviews from the United States

  • quietcatly
    5.0 out of 5 stars Confusing at times, but good
    Reviewed in the United States on August 30, 2025
    Format: KindleVerified Purchase
    The ending is great and a big surprise. Temporal jumps make it confusing, but still a good read. I was a little surprised at vilification of one of the characters ( which I will not reveal) from Three Body Problem. But the Sophon character has more depth and “personality.”
    Helpful
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  • saltp53
    4.0 out of 5 stars Very good job, even if there's now way it reaches the heights of Cixin Liu's masterpiece.
    Reviewed in the United States on October 21, 2019
    Format: KindleVerified Purchase
    Look, when you decide to add book 4 to one of the all-time sci-fi masterpieces (in my mind, the best), you're asking for trouble. It's not just Liu's incredible imagination that this Baoshu is aiming to match, it's brilliant writing. In the former, Baoshu does very well. He adds some nice touches in the backstory, explaining some open loops in the original. It's also a very clever ending. Concerning the writing, Baoshu's not in Liu's class (at least yet.) Some of the writing is trite, and I don't think it has anything to do with the translation.

    He also tends to meander, making me wonder just where the heck he's going at times. He does manage to tie everything up nicely in the end. It was worth the read, though I think it should be going for about half the price.
    28 people found this helpful
    Helpful
     Report
  • Kindle Customer
    5.0 out of 5 stars Great Book
    Reviewed in the United States on September 24, 2025
    Format: KindleVerified Purchase
    I read this series in a week and half. Couldn't put it down. Can't recommend it enough. Great series for all.
    Helpful
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  • The Prolific Reader
    3.0 out of 5 stars Not necessary to the canon.
    Reviewed in the United States on September 8, 2024
    Format: HardcoverVerified Purchase
    Interesting, but not necessary to The Body Problem canon.

    Yun Tianmimg fell in love and lived a life with AA, on planet blue. They grew old together and after she died, he killed himself. Only to be resurrected by “god” and sent on a mission…

    That’s actually the premise.

    I knew that it would not be up to Liu’s quality of writing, but I wasn’t prepared for how off it would be.

    When Liu goes into detail, you feel as though you’ve gotten a simplified course in physics.

    When Baoshu goes into detail, is just a pedantic diatribe that goes oh for far, too long.

    I kept putting the book down and after page 150, I began just skimming every other paragraph and finally just skipped about 75 pages altogether as it was just so long, drawn out and boring.

    And to top it off, Tianming is really Cixin Liu, and The Three Body Problem is being written to record his previous life in the past universe.

    And the might,y Trisolaran race being insects the size of rice with no individual intelligence…. I reject that entirely.

    This copy may be heading to the used bookstore soon as it’s not a candidate for a re-read.
    6 people found this helpful
    Helpful
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  • Deezy
    5.0 out of 5 stars Perfect ending
    Reviewed in the United States on February 20, 2025
    Format: KindleVerified Purchase
    A perfect ending to a fantastic series. I think I've enjoyed this series more than anything I've ever read in any genre. Truly an astounding work of genius.
    2 people found this helpful
    Helpful
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  • Amazon Customer
    4.0 out of 5 stars great close out for an excellent series
    Reviewed in the United States on June 12, 2025
    Format: KindleVerified Purchase
    A well done final installment for the Three Body Problem series. It does fill in many of the gaps from the previous stories, and provides more insights into what some of the characters were experiencing at various points along the storyline. The scope or overall timeline is incredible, going extremely far into the unimaginable future.
    It does seem to require some suspension of belief to take in all the mind bending concepts: eternal beings that exist either forever or outside of time, high-dimensional universes, mini-universes, dimensional strikes: where one civilization attacks another by reducing the number of dimensions, and many more. Some of it seemed far-fetched which is why I didn’t give it 5 stars. It is, however, a good read and worth the time.
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  • Sayel Cortes
    5.0 out of 5 stars The missing part to a great story
    Reviewed in the United States on September 25, 2022
    Format: KindleVerified Purchase
    Although written by a different author, Baoshu's "The Redemption of Time" keeps the writing style and universe of the Three-Body Problem story, and provides it a much deserved good ending. It fills some gaps left open and offers a much better ending. Although the (fictional) science in this book lacks much of the internal coherence of the previous ones and the story takes some (perhaps exaggerated) big turns..once you accept that the story offers a bigger arc to the story that wraps it up. Overall highly recommended if you also feel like me that the end of the Three-Body Problem story could be better
    17 people found this helpful
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  • Nipper
    5.0 out of 5 stars Great series
    Reviewed in the United States on May 10, 2023
    Format: KindleVerified Purchase
    This series started out confusing. It kept building with plots and sub plots until the the story developed into a complex and masterful piece of literature.
    This is not an easy read. There are turns and twists that one might need to go back and reread portions of the story telling.
    I love that this is told from an Chinese perspective and culture.
    I would highly recommend this series
    6 people found this helpful
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Top reviews from other countries

  • Owen Martin
    5.0 out of 5 stars Perfect addendum to the trilogy
    Reviewed in Canada on June 4, 2025
    Format: PaperbackVerified Purchase
    This was the PERFECT book to round out the Three Body trilogy. Very highly recommended!
    Report
  • Soufiane El Amrani
    5.0 out of 5 stars great book
    Reviewed in France on May 30, 2024
    Format: KindleVerified Purchase
    Good read
    Really interesting book
    I recommend this book to everyone
    You will not want to stop reading
    Go buy it
    Report
  • Kindle Customer
    4.0 out of 5 stars Worth the read
    Reviewed in Spain on September 13, 2024
    Verified Purchase
    Some inconsistencies both with the previous books and with the physics used. The book itself is good, but due to its nature it's hard not to question some things against the content of the originals.
    Report
  • Dave
    5.0 out of 5 stars Satisfying conclusion
    Reviewed in Australia on July 16, 2024
    Verified Purchase
    Satisfying ending to the Three Body Problem trilogy. Seamless.
    Report
  • Jitesh
    5.0 out of 5 stars Good Read A+
    Reviewed in India on September 1, 2024
    Verified Purchase
    I would say genuine advancement of events from last book. you don’t feel like Original Author did not write this so thats a big +. Same Consistency. A+
    Report