Rob Leininger is an American thriller and mystery writer known for his detailed and immersive storytelling. Before pursuing a career as an author, Leininger served in the Navy and utilized his engineering background to craft complex narratives focused on characters confronting challenging and often dangerous situations. His writing style is characterized by meticulous world-building and a focus on gritty realism, frequently employing technical details and strategic thinking within his stories.
Leininger's most recognized work is the "Gumshoe" series, a long-running mystery series featuring detective Mortimer Angel. He has also authored numerous standalone novels and non-fiction books, including strategic planning guides. Leininger's background in engineering and military service significantly shapes the realistic and often perilous adventures of his characters.






















