The Diamond Game Audiobook By Dennis T. Cosgrove cover art

The Diamond Game

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The Diamond Game

By: Dennis T. Cosgrove
Narrated by: Dennis T. Cosgrove
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$8.99/mo. after 3 months. Cancel anytime. Offer ends July 15, 2026 at 11:59pm PT.

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Kidnapping. Corruption. A shattered empire’s stolen treasures.

When a mysterious young woman walks into the FBI office asking for a Russian-speaking agent, Special Agent Cosgrove is pulled into a high-stakes game with no rules—and no clear way out.

Drawn from real-life cases of the author, a former FBI Special Agent, The Diamond Game pulls back the curtain on a hidden world of power, betrayal, and survival.

Names and events have been changed to protect identities—but the danger, the stakes, and the emotional truth remain.

This isn’t just what could happen. It’s what did.

Perfect for fans of Daniel Silva, Karin Slaughter, and anyone who craves thrillers grounded in truth.

©2025 Dennis T. Cosgrove (P)2025 Dennis T. Cosgrove Crime Thrillers International Mystery & Crime Mystery Thriller & Suspense
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Nadezhda Dies Last Audiobook By Dennis T. Cosgrove cover art
Nadezhda Dies Last By: Dennis T. Cosgrove
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I am very impressed with this author‘s first book. When you realize that the story is semi-fiction it is scary to think of his real life profession. I like the characters, the flow of the story, and the thrill and excitement of this one case involving diamond smuggling from Russia. The fact that this FBI agent dealt with the scariest Russian criminals is riveting. Dennis T. Cosgrove must have more stories up his sleeve. What will you bring us next.

Impressive first book

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