The Gus Harper K9 Mystery Series

Tide of Shadows (The Gus Harper K9 Thrillers Book 1) FREE by P T Leonard: A retired submariner. A war dog. A Mediterranean island hiding something dark. When Gus Harper pulls a terrified girl from the sea one night off Gozo, he doesn't know he's just stepped back into the kind of danger he thought he'd left behind. Book 1 of the Gus Harper K9 Thrillers.

This book is Free on June 23, 2026