Counting down to the holidays has never been so much fun . . . or so heroic, as Batman, Wonder Woman, Superman, and the rest of the Justice League help Santa deliver presents around the world in one night! Boys and girls ages 3 to 7 will love lifting one of the 24 sturdy advent calendar tabs each day to reveal a different surprise. But watch out--there might be a villain lurking under there! This interactive hardcover book makes a great gift and stocking stuffer.