The beloved character Harry the Dirty Dog returns in this brand-new picture book! A fun story to share with all dog fans, as well as guinea pig families and classrooms. Harry, the mischievous little white dog with black spots, isn’t happy when the children are paying more attention to the neighbor’s guinea pig than him. But when Harry accidentally causes the guinea pig to get loose at school, he has to use his detective skills to save the day. Can Harry find the guinea pig before he’s sent to the doghouse? Created in the style of Gene Zion and Margaret Bloy Graham, this is an irresistible story featuring a classic picture book character—perfect for young dog lovers and fans of Harry the Dirty Dog! Gene Zion and Margaret Bloy Graham’s Harry the Dirty Dog has been recognized by the National Education Association as an all-time top-100 children's book. It has also been welcomed by a new generation at home, as Betty White's 2020 reading of the story on StorylineOnline has been viewed more than 8 million times. Classic Character Returns: Harry, the beloved little white dog with black spots, is back for a brand-new story perfect for a new generation of readers. Feeling Left Out: A gentle and funny tale that explores the big feelings of jealousy when a new pet—a tiny guinea pig!—gets all the attention. A Show-and-Tell Mishap: When the class guinea pig goes missing at school, Harry has to turn from mischievous pup to hero of the day. Unlikely Friendship: Can a big dog and a little guinea pig learn to share the spotlight? This sweet story shows how even rivals can become friends.