Children will love to listen to and read along with books on their favorite animals and insects with Crabtree's new Look, Listen, & Learn audio series! Each narrated audio edition runs approximately 30 minutes in length and entertains children with sound effects and interactive questions. Children will love looking at the amazing photographs while listening to the correct pronunciation of each plant or animal. Great for building reading skills and ESL! The Life Cycle of a Frog details the fascinating changes in a frog through its four stages. Amazing illustrations and photos help explain how metamorphosis differs in various climates and how pollution and pesticides affect frogs.