A rockin' first word and picture book of essential preschool number skills. The numbers from 1 to 10, 20, 50 and 100 are illustrated with references to classic rock and roll instruments and memorabilia. Along with every number, 1 through 10, a numbered rock song is featured. The illustrations are all in the bright and nostalgic vintage style of the classic rock era. The wide variety of bright and bold illustrations and the fun approach are sure to delight parent and child alike.One, Two, Three O'Clock, Rock! is a well made board book that will survive the repeated readings every toddler will demand.