FREE delivery February 7 - 13. Details
In stock.
Usually ships within 2 to 3 days.
[{"displayPrice":"$21.65","priceAmount":21.65,"currencySymbol":"$","integerValue":"21","decimalSeparator":".","fractionalValue":"65","symbolPosition":"left","hasSpace":false,"showFractionalPartIfEmpty":true,"offerListingId":"5ZBWUiA8Kp3wLS7jhQpnCcOgULlkMO1R45OpN3L3Tp8NqJvFE%2Fk4TgNxU3q8a3Xbl8xABx5JGN6s8O8HD%2Bo9V1T10AnELBM3AUMm%2FVHwmLYR%2BU1bYGWLhI17TQ2I1XjUc4uCSQccgwm%2FNoWStfghZTL0lIailQfsIkvkuWxoPAo%3D","locale":"en-US","buyingOptionType":"NEW"},{"displayPrice":"$7.34","priceAmount":7.34,"currencySymbol":"$","integerValue":"7","decimalSeparator":".","fractionalValue":"34","symbolPosition":"left","hasSpace":false,"showFractionalPartIfEmpty":true,"offerListingId":"bo5XuCL71qV1JNkr4pWZYe59%2BhOnJ6nx0F%2FN4YeenkoKUKa3SujcMmjgz3YQ7GWLZMrigiDmdWX8WsouoOWCFaBBOrMxElD%2BnpmdomGvuXN5AL98XN2rBF0wY6ibH%2FWTT48GXnV56sno%2FY3LknMvQREFVz1%2BC97QAxdrGeMivq1WrxMCpr6JA4XFX3M5RL2g","locale":"en-US","buyingOptionType":"USED"}]
$$21.65 () Includes selected options. Includes initial monthly payment and selected options. Details
Price
Subtotal
$$21.65
Subtotal
Initial payment breakdown
Shipping cost, delivery date, and order total (including tax) shown at checkout.
Your transaction is secure
We work hard to protect your security and privacy. Our payment security system encrypts your information during transmission. We don’t share your credit card details with third-party sellers, and we don’t sell your information to others. Learn more
Ships from
Book Depository US
Sold by
Ships from
Book Depository US
Return policy: Eligible for Return, Refund or Replacement within 30 days of receipt
This item can be returned in its original condition for a full refund or replacement within 30 days of receipt. You may receive a partial or no refund on used, damaged or materially different returns.
$3.99 delivery February 22 - March 9. Details
Used: Good | Details
Sold by WeBuyBooks-UK
Condition: Used: Good
Comment: Ex library copy with usual stamps & stickers Ships from the UK. Over 10 Million items sold. Fast dispatch and delivery. Excellent Customer Feedback.
Access codes and supplements are not guaranteed with used items.
Have one to sell?
Other Sellers on Amazon
Added
$18.33
+ $3.99 shipping
Sold by: RAREWAVES-IMPORTS
Sold by: RAREWAVES-IMPORTS
(193138 ratings)
86% positive over last 12 months
Only 1 left in stock - order soon.
Shipping rates and Return policy
Loading your book clubs
There was a problem loading your book clubs. Please try again.
Not in a club? Learn more
Amazon book clubs early access

Join or create book clubs

Choose books together

Track your books
Bring your club to Amazon Book Clubs, start a new book club and invite your friends to join, or find a club that’s right for you for free.
Kindle app logo image

Download the free Kindle app and start reading Kindle books instantly on your smartphone, tablet, or computer - no Kindle device required. Learn more

Read instantly on your browser with Kindle for Web.

Using your mobile phone camera - scan the code below and download the Kindle app.

QR code to download the Kindle App

Flip to back Flip to front
Listen Playing... Paused   You're listening to a sample of the Audible audio edition.
Learn more

Follow the Author

Something went wrong. Please try your request again later.

Crux Paperback

4.5 out of 5 stars 666 ratings

Price
New from Used from
Kindle
Paperback
$21.65
$18.33 $7.10
Digital

Enhance your purchase


The Amazon Book Review
The Amazon Book Review
Book recommendations, author interviews, editors' picks, and more. Read it now.

Frequently bought together

  • Crux
  • +
  • Apex: Nexus Trilogy Book 3
Total price:
To see our price, add these items to your cart.
One of these items ships sooner than the other.
Choose items to buy together.

Product details

  • Language ‏ : ‎ English
  • ISBN-10 ‏ : ‎ 0857662953
  • ISBN-13 ‏ : ‎ 978-0857662958
  • Item Weight ‏ : ‎ 10.4 ounces
  • Dimensions ‏ : ‎ 7.76 x 1.34 x 5.16 inches
  • Customer Reviews:
    4.5 out of 5 stars 666 ratings

About the author

Follow authors to get new release updates, plus improved recommendations.
Brief content visible, double tap to read full content.
Full content visible, double tap to read brief content.

Ramez Naam was born in Cairo, Egypt, and came to the US at the age of 3. He's a computer scientist who spent 13 years at Microsoft, leading teams working on email, web browsing, search, and artificial intelligence. He holds almost 20 patents in those areas.

Ramez is the winner of the 2005 H.G. Wells Award for his non-fiction book More Than Human: Embracing the Promise of Biological Enhancement. He's worked as a life guard, has climbed mountains, backpacked through remote corners of China, and ridden his bicycle down hundreds of miles of the Vietnam coast. He lives in Seattle, where he writes and speaks full time.

Customer reviews

4.5 out of 5 stars
4.5 out of 5
666 global ratings

Top reviews from the United States

Reviewed in the United States 🇺🇸 on March 19, 2018
Reviewed in the United States 🇺🇸 on October 21, 2022
Reviewed in the United States 🇺🇸 on September 20, 2013
One person found this helpful
Report abuse

Top reviews from other countries

JJ
5.0 out of 5 stars Truly hooked ;-)
Reviewed in the United Kingdom 🇬🇧 on November 28, 2016
2 people found this helpful
Report abuse
Andrew Nye
5.0 out of 5 stars If you liked the matrix.....
Reviewed in the United Kingdom 🇬🇧 on May 18, 2014
IMCPU2
5.0 out of 5 stars Brilliant
Reviewed in the United Kingdom 🇬🇧 on September 29, 2013
One person found this helpful
Report abuse
Mr. David Mason
5.0 out of 5 stars a worthy sequel
Reviewed in the United Kingdom 🇬🇧 on July 3, 2014
One person found this helpful
Report abuse
Christopher Knowles
5.0 out of 5 stars As good as Nexus (1)
Reviewed in the United Kingdom 🇬🇧 on June 30, 2014