Marauding trespassers are threatening to stampede the cattle. It's Hank the Cowdog, Head of Ranch Security, to the rescue as he: tracks down the enemy agent, "Mysterious Esther", escapes the relentless Vampire Vacuum Sweeper, and confronts Buster and his gang. Will Hank prevail and save the ranch? Find out in this action-packed episode.

John R. Erickson, a former cowboy and ranch manager, is gifted with a storyteller's knack for spinning a yarn. Through the eyes of Hank the Cowdog, a smelly, smart-aleck Head of Ranch Security, Erickson gives readers a glimpse of daily life on a ranch in the West Texas Panhandle. This series of books and audios is in school libraries across the country, has sold more than 8 million copies, was a Book-of-the-Month Club selection, and has won an Audie for Outstanding Children's Series from the Audio Publisher's Association. Publishers Weekly called Hank a "grassroots publishing phenomena," and USA Today said this is "the best family entertainment in years."