To Fetch a Thief Book: Chet the dog and Bernie, his private investigator companion, are back in the New York Times bestselling mystery series as they investigate a movie star with a shady past. In the third book in the brilliant Chet and Bernie series featuring a lovable and wise dog narrator, Chet and Bernie go under the big top to solve the most unlikely missing persons (and animals!) case ever. By Spencer Quinn. Paperback.