For fans of Balto and other real-life dog stories, here's a heavily illustrated middle-grade novel about a canine movie star of the 1920s, dramatically told in both words and pictures by an acclaimed author and a Caldecott Medal-winning illustrator. When movie director Larry Trimble travels to Berlin searching for his next big star--a dog!--he finds Etzel, a fierce, highly trained three-year-old German shepherd police dog. Larry...