Kaboom and Flying Fist are cousins. What's more, they're a superhero team! But when the evil robot attacks, can the cousins work together to stop it from destroying the city? This book combines both familiar and more complex words in an exciting action-and-adventure story, making it just right for developing readers from 4-7 years old. The engaging illustrations and captivating story are designed to build confidence and grow your child's love for reading.