The Gus Harper K9 Thriller 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 and his dog have just stepped back into the kind of duty and danger they thought they'd left behind. Book 1 of the Gus Harper K9 Thrillers.

This book is Free on September 5, 2026