by Gary L. Stewart (Author), Susan Mustafa (Author)

"I promise that you've never read anything like The Most Dangerous Animal of All. Mesmerizing from the first page, the story includes a shattering surprise that will sear itself in your memory. Be prepared to read non-stop; this really is a book you won't be able to put down." --Jeff Guinn, author of Manson: The Life and Times of Charles Manson

An explosive and historic New York Times bestseller of true crime and an emotionally powerful and revelatory memoir of a man whose ten-year search for his biological father leads to a chilling discovery: His father is one of the most notorious-and still at large-serial killers in America

Soon after his birthmother contacted him for the first time at the age of thirty-nine, adoptee Gary L. Stewart decided to search for his biological father. It was a quest that would lead him to a horrifying truth and force him to reconsider everything he thought he knew about himself and his world.

Written with award-winning author and journalist Susan D. Mustafa, The Most Dangerous Animal of All tells the story of Stewart's decade-long hunt for his father following a complex trail of startling twists and connections. Combing through government records and news reports and through conversations with his father's relatives and friends, Stewart turns up a host of clues, including forensic evidence, identifying his father as one of the most infamous and still-wanted serial killers in American history.

Front Jacket

When Gary L. Stewart decided to search for his biological father at the age of thirty-nine, he never imagined his quest would lead him to a horrifying truth and force him to reconsider everything he thought he knew about himself.

Written with award-winning author and journalist Susan Mustafa, The Most Dangerous Animal of All tells the story of Stewart's decade-long hunt. While combing through government records and news reports and tracking down relatives and friends, Stewart turns up a host of clues--including forensic evidence--that conclusively identifies his father as the Zodiac Killer, one of the most notorious and elusive serial murderers in history. At last, all the questions that have surrounded the case for almost fifty years are answered in this riveting narrative--a singular work of true crime at its finest as well as a sensational and powerful memoir.

Back Jacket

When Gary L. Stewart decided to search for his biological father at the age of thirty-nine, he never imagined his quest would lead him to a horrifying truth and force him to reconsider everything he thought he knew about himself.

Written with award-winning author and journalist Susan Mustafa, The Most Dangerous Animal of All tells the story of Stewart's decade-long hunt. While combing through government records and news reports and tracking down relatives and friends, Stewart turns up a host of clues--including forensic evidence--that conclusively identifies his father as the Zodiac Killer, one of the most notorious and elusive serial murderers in history. At last, all the questions that have surrounded the case for almost fifty years are answered in this riveting narrative--a singular work of true crime at its finest as well as a sensational and powerful memoir.