This book is useful for ages 4-8. This bilingual (English/Spanish) book is what we call 'Books Kids Can Flip Over'. Read one side in one language, flip the book over, and read in the other language. This is the first in a series of books about newly created fictional twins, Mandy and Andy. This book, in humorous verse and illustrations, features Mandy as she faces her fear of thunder and how she overcomes it.