Batman, Bluebird, and Ace the Bat-Hound team up to stop Mr. Freeze in this action-packed early chapter book. Gotham City is in a deep freeze--and it's the middle of summer! Mr. Freeze has blocked the streets with snow. After robbing a bank, the frosty super-villain is making his escape on a giant polar bear. Can Batman, Ace, and Bluebird work together to melt Mr. Freeze's plans? Young readers will find out in this installment of the Bat-Family Adventures. With easy-to-read text and full-color illustrations, this early chapter book series is perfect for young superhero fans and their families.