"Missing 411 - A Sobering Coincidence" by David Paulides is a nonfiction book published in 2015 by CreateSpace in trade paperback format. The book delves into the true crime genre, specifically exploring the mysterious disappearances of people in national parks. With a total of 398 pages, this English language book is intended for a trade audience and measures 8.5 inches in length, 5.5 inches in width, and 0.9 inches in height. This thought-provoking narrative by David Paulides sheds light on the intriguing and unsettling coincidences surrounding missing persons in the outdoors.