The Deep Thriller Series

Deep Shadow (The Deep Series Book 1) by Nick Sullivan: In the tropical seas of the Caribbean, something sinister lurks beneath the surface. The adventure begins here! Follow Boone Fischer and Emily Durand as they plunge into peril across a diverse variety of beautiful islands, each with its own mysteries and threats. The Deep Series has over 9,000 5-Star reviews across the series.

This book is Free on October 31, 2025

Kindle