National Geographic Explorer Chip Walter’s books, writing and travel will open you up to life, human mystery, and the world.

Now Available: Chip’s New Novel and Latest Book - Doppelgänger

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Cover Art - Frank Harris (www.frankharris.com)

Doppelgänger

A mind-bending techno-thriller. From the award-winning author of Immortality, Inc. and Last Ape Standing

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What if a murdered man could bring his murderers to justice? In 2024 Elon Musk announced the first computer-brain implant. In the year 2068 the first mind transplant becomes possible. Immortality is a reality.  Except for Morgan Adams its not that simple.

Adams is a prodigy, the chief scientist and co-founder of the world’s wealthiest corporation. Tomorrow he’ll reveal his most ambitious undertaking: a secret project called Doppelgänger that will enable him to download a human mind into an identical cyborg body. But that morning he awakens to a shocking reality—he is standing over his own lifeless body, tortured and broken on a cold laboratory floor.  Morgan is the disbelieving beta version of his own unfinished creation, a Doppelgänger.  There’s just one problem.  The source code has been stolen and Morgan’s consciousness is degrading—fast!   He has 72 hours to find his own murderer, recover and repair the source code, and fight a conspiracy so vast it threatens the entire human race.

Doppelgänger is a riveting futuristic thriller that imagines a full-blooded parallel world where twists and turns make reality so fractured it is nearly impossible to know what is true and what isn’t. It explores the clash of human passion, evil, love, trust and time. Even after turning the last page you’ll wonder what is real and what isn’t.


Chip joins Joe Dimino for a talk on his Famous Interviews series.

He and Joe discuss traveling through the world on the Vagabond Adventure, Journalism, and growing into the life of a writer. You can watch the interview here, directly on YouTube or visit Joe’s episode page on Blogspot where you can also find more great interviews.

  • I'm very excited to announce that Scott Brick will be narrating the audiobook version of Doppelgänger. Scott is the award winning narrator of nearly 900 titles, including Dune and Jurassic Park, arguably the two biggest science fiction books ever. Look for it February 2025. Preorder now wherever books are sold.

  • Doppelgänger is now available in print and e-book, and getting 5 stars everywhere. See the links at the top of this page to buy your copy currently available at reduced prices on Amazon $14.95 in print and $3.99 as e-book. You should also be able to find it in your local bookstore. Ask if they don’t have it available.

  • To learn more about Doppelganger, enter its imaginary world. Learn everything about the murder of Symbiosys, Inc.’s Chief Science Officer Morgan Adams and how he returns to solve his own murder.

  • At Doppelganger-AI.com you can learn all about the Doppelganger World of 2068, the project’s mysterious main characters and the artificial ENTS that populate it.

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About Thumbs, Toes, and Tears

Countless behaviors separate us from the rest of the animal kingdom, but all of them can be traced one way or another to six traits that are unique to the human race―our big toe, our opposable thumb, our oddly shaped pharynx, and our ability to laugh, kiss, and cry. At first glance these may not seem to be connected but they are. Each marks a fork in the evolutionary road where we went one way and the rest of the animal kingdom went another. Each opens small passageways on the peculiar geography of the human heart and mind. Publisher’s Weekly called the book, “fascinating and superbly written.”

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