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Nimbus: Book I In the Calvin Kaplan Thriller Trilogy

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- Stolen weapons grade plutonium…
- A renegade nuclear scientist…
- A kidnapped geophysicist…
- A cabal at the highest levels of the national security state…

Can a washed-up journalist track them all down before they end civilization?

Calvin Kaplan has a near-death experience, during which he learns that he made an agreement before he was born to prevent World War III, but has just been fired because he was drinking when he should have been doing his job as a reporter.

Now unemployed, he accidentally stumbles on the biggest story of his career. Soon he partners with a U.S. Navy SEAL team. He sets out on a series of adventures that will take him from Long Island to the communist country of Thrace, to Washington, D.C. and back to Thrace while the world teeters on the brink of disaster.

Nimbus is Book I in the Calvin Kaplan series — a gripping, suspenseful edge-of-your-seat thriller set in a dangerous world that is becoming more and more of a reality with each news story.

Grab your copy today and prepare for a white knuckle experience!

350 pages, Kindle Edition

Published January 19, 2024

9 people are currently reading
12 people want to read

About the author

David A. Hirsch

6 books2 followers

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Displaying 1 of 1 review
311 reviews8 followers
October 26, 2025
Bit of the super natural but a very fast paced thriller adventure.
Quite a few tropes that worked themselves out quite satisfactorily . Twists you will not see coming. I'm definitely curious about book two.
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