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Unleashing Colter's Hell: A National Park Thriller Paperback – August 11, 2012

4.0 4.0 out of 5 stars 44 ratings

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Under the tranquil setting of Yellowstone National Park lies a killer, the world's largest super volcano. Yellowstone erupts roughly every 600,000 years. It's next eruption is overdue, and any present explosion would destroy America and quite possibly all of civilization. Yellowstone, or Colter's Hell, as it's historically known, is experiencing unprecedented volcanic activity, possibly signaling a pending eruption. In Unleashing Colter's Hell, a religious fanatic sent to the Wyoming wilderness has acquired an atomic bomb to trigger an eruption and spell the end of the United States. A lone park ranger named Grayson Cole is James Bond, Indiana Jones, and Robert Langdon rolled into one. Along with Diane Harris, a rookie FBI agent, the two are all that stand between the world and its destruction. Unleashing Colter's Hell is a fast paced, action packed adventure. It's a sweeping story spanning the world from North Korea, thru South America, to Yellowstone the world's first national park. Colter's Hell draws upon modern science, relevant history, present technology, and current events to give the story its terrifying realism.
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Product details

  • Publisher ‏ : ‎ CreateSpace Independent Publishing Platform (August 11, 2012)
  • Language ‏ : ‎ English
  • Paperback ‏ : ‎ 324 pages
  • ISBN-10 ‏ : ‎ 1479109630
  • ISBN-13 ‏ : ‎ 978-1479109630
  • Item Weight ‏ : ‎ 1.2 pounds
  • Dimensions ‏ : ‎ 6 x 0.73 x 9 inches
  • Customer Reviews:
    4.0 4.0 out of 5 stars 44 ratings

About the author

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Mr. Sean D Smith
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Sean D. Smith is an award winning conservationist and author. He is a former National Park Ranger at Yellowstone, the North Cascades, Glacier, and Mount St. Helens, a TEDx speaker, and private pilot. He currently runs Washington State Department of Ecology efforts to reduce and eliminate toxic chemicals from consumer products and serves as the Deputy Mayor of his home town.

He has been writing stories and books since he was a child and currently writes national park thrillers from the shadow of Mount Rainier.

Customer reviews

4 out of 5 stars
44 global ratings

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Customers say

Customers enjoy the book's suspenseful storyline and unexpected twists and turns. They find the historical information fascinating and educational. The pacing is good and the story is convincing and believable.

AI-generated from the text of customer reviews

10 customers mention "Enjoyment"10 positive0 negative

Customers enjoy the book. They find it an exciting read and an excellent novel.

"This was an excellent book on several accounts. First, the descriptions of Yellowstone NP were right on point...." Read more

"...Unleashing Colter's Hell was enjoyable to read, fast paced but not frantic, and entirely believable given Yellowstone's past and the fanaticism of..." Read more

"...don't go for books with much of a political bent; but I enjoyed this book immensely! Way to go, Sean! Looking forward to reading the next ones!" Read more

"Liked this very much. I'm not a reviewer, I just read books and know which ones I enjoy. That said, I enjoyed this one." Read more

10 customers mention "Suspense level"10 positive0 negative

Customers enjoy the suspenseful storyline and fast-paced thriller. They find it an exciting read with unexpected twists and turns that keep them guessing until the end. The book has a unique crime setting that keeps readers hooked until the end.

"...After all that, the story line was captivating. After reading this book, I immediately bought the next two books as well...." Read more

"...Quite an unusual crime setting. Good pace and exciting to the end. Looking forward to the next Colter thriller. Maybe from a rural area in France?" Read more

"...nature lovers, seasoned wilderness fanatics, or readers who love suspense and danger, especially when everything is at stake and protecting the..." Read more

"...Perfect book for anyone who likes intrigue, politics and/or national parks. Can't wait for Sean Smith's next book!" Read more

6 customers mention "Interest"6 positive0 negative

Customers find the book interesting and suspenseful. They appreciate the historical context and political background. The descriptions of Yellowstone National Park are accurate.

"...First, the descriptions of Yellowstone NP were right on point. I've visited/worked in that park, and felt like I was right at home...." Read more

"...Some of the Washington DC background is quite interesting but not sure of its accuracy but it does work to explain some of the developments...." Read more

"...Perfect book for anyone who likes intrigue, politics and/or national parks. Can't wait for Sean Smith's next book!" Read more

"...you can relate to, this book is informative and gives insight into some past political actions and the backstage workings of our national parks...." Read more

3 customers mention "Educational value"3 positive0 negative

Customers enjoy the book's educational value. They find it fun to read and enjoy reading about YNP.

"I purchased this book because it is set in YNP, an area I enjoy reading about. However, I couldn't finish it...." Read more

"...a fast-paced thriller with characters you can relate to, this book is informative and gives insight into some past political actions and the..." Read more

"Both educational and fun to read!!!..." Read more

3 customers mention "Pace"3 positive0 negative

Customers enjoy the book's pace. They say it moves quickly and keeps them engaged until the end.

"...Quite an unusual crime setting. Good pace and exciting to the end. Looking forward to the next Colter thriller. Maybe from a rural area in France?" Read more

"...Spinning faster than a political stump speech, the plot takes Ranger Grayson Cole through his day...." Read more

"...Unleashing Colter's Hell was enjoyable to read, fast paced but not frantic, and entirely believable given Yellowstone's past and the fanaticism of..." Read more

3 customers mention "Pacing"3 positive0 negative

Customers enjoy the book's pacing. They find the story engaging and believable, with a believable past. However, they mention that a good novel shares this information subtly, not by seeking to shove it down the reader's throat.

"...'s Hell was enjoyable to read, fast paced but not frantic, and entirely believable given Yellowstone's past and the fanaticism of terrorists...." Read more

"...We all have a viewpoint. However, a good novel shares this subtly, not by seeking to shove it down the reader's throat." Read more

"Sean Smith knows our National Parks and the park service, and writes a convincing and engaging story...." Read more

Top reviews from the United States

  • Reviewed in the United States on January 12, 2017
    This was an excellent book on several accounts. First, the descriptions of Yellowstone NP were right on point. I've visited/worked in that park, and felt like I was right at home. Second, the main character is the complete and total personification of an actual Law Enforcement Ranger. Third, and most importantly, was the description of the visitors to our parks, and how they just don't seem to "get it" when it comes to their own personal safety. Dealing with dumb people is one of the hardest parts of a Ranger's job. Finally, the history and geologic facts presented were amazing! Even though I've spent innumerable hours in the park, I gained even more knowledge from reading this book.
    After all that, the story line was captivating. After reading this book, I immediately bought the next two books as well. They didn't disappoint at all. I highly recommend this series!!
  • Reviewed in the United States on November 19, 2012
    This is the first park thriller I've read. Quite an unusual crime setting. Good pace and exciting to the end. Looking forward to the next Colter thriller. Maybe from a rural area in France?
  • Reviewed in the United States on September 1, 2013
    Takes terrorism out of the normal arena and places it in Yellowstone. Some of the Washington DC background is quite interesting but not sure of its accuracy but it does work to explain some of the developments. While not a nail biter I enjoyed the story
  • Reviewed in the United States on November 24, 2012
    Sean Smith's National Park Thriller, Unleashing Coulter's Hell, leads readers outside by going inside our favorite public places including the National Parks and the White House. Spinning faster than a political stump speech, the plot takes Ranger Grayson Cole through his day. His ranger training and personal values champion how he will handle whatever nature and man pack in to a not so typical National Park experience.

    This thriller is a must read! It is perfect for a wide range of readers, whether they are armchair nature lovers, seasoned wilderness fanatics, or readers who love suspense and danger, especially when everything is at stake and protecting the public rests on the shoulders of the people we trust. Go outside through this book, Unleashing Coulter's Hell! It also makes a great gift!
    2 people found this helpful
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  • Reviewed in the United States on December 7, 2012
    Okay, I'm biased because a) I know the author, b) I love the setting (Yellowstone), and c) I love the genre. Unleashing Colter's Hell was enjoyable to read, fast paced but not frantic, and entirely believable given Yellowstone's past and the fanaticism of terrorists. If you buy the ebook also buy the paperback...combined they're still less expensive than most hard copies...so you can prove that you were one of the first to experience a promising new author.
  • Reviewed in the United States on February 6, 2013
    After spending time where this book is written, nice to be back in the park and see what rangers have to do.
  • Reviewed in the United States on July 24, 2013
    I purchased this book because it is set in YNP, an area I enjoy reading about. However, I couldn't finish it. The author is very liberal which is his right. Yet he chooses his novel to preach his viewpoint. Instead of writing a story, the author keeps drifting from the story line to support his personal viewpoint. We all have a viewpoint. However, a good novel shares this subtly, not by seeking to shove it down the reader's throat.
    4 people found this helpful
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  • Reviewed in the United States on November 7, 2012
    Just finished this book and enjoyed it so much! The author does a great job of setting the scene and made me feel like I was really there. Makes me look at National Parks in a whole new light. Perfect book for anyone who likes intrigue, politics and/or national parks. Can't wait for Sean Smith's next book!
    2 people found this helpful
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