Award-winning and USA Today best-selling author Rob Leininger grew up in California before joining the Navy. He served aboard heavy cruisers during the Vietnam War and also at McMurdo Station in Antarctica. He received a mechanical engineering degree from the University of Nevada, Reno, and worked on Trident missiles for Hercules, and “black” defense projects for Northrop Corp. Gumshoe on the Loose is the third novel in the best-selling Mortimer Angel Gumshoe series. Before deciding to write full-time, Leininger taught high school math in Reno, Nevada. He is a member of Tau Beta Pi—engineering honor society and of Pi Mu Epsilon—National Mathematics Society. He now lives in Eureka, Montana.