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 for Two is the second in Leininger’s Gumshoe novel series. Before deciding to write full-time, Leininger taught high school math in Reno, Nevada. He now lives in Montana.