Superheroes—and math—to the rescue! Young readers are introduced to ten heroes with extraordinary powers to match the many dangers they face in this exciting volume, such as three scary snowmen, eight trapdoors, and ten threatening storm clouds. While they're engrossed by the high-interest topic, they'll practice counting in each number-oriented rescue situation. Sentences are carefully crafted at the emerging reader's level, while the colorful illustrations provide support for vocabulary acquisition.