The Hippos of Hippopolis have teamed up with their friends to bring you an audiobook about learning your letters. Join your favorite hippos and their friends as they have fun learning A to Z. From an autumn afternoon with Alligator to Zebra taking Hippo to Zippy Pizza where the sauce is Zesty. Every minute is a delightful learning moment for you! 1. Language: English. Narrator: Lydia M. Bowers. Audio sample: http://samples.audible.de/bk/acx0/089061/bk_acx0_089061_sample.mp3. Digital audiobook in aax.