"The Duck Theory" is a biography and autobiography book written by Lawrence Rupp, published by CreateSpace in 2014. This trade paperback book is written in English and consists of 566 pages. The book explores the topic of law enforcement and delves into the author's personal experiences and insights in the genre. With a height of 10 inches and a width of 7 inches, this book offers readers a comprehensive look at the author's journey in the realm of law enforcement.