Learn to count with these fun hippos. Your preschooler will learn their numbers one through 10 with easy rhymes and silly hippos. The book includes several activities to deepen your child´s understanding in a fun but educational way. 1. Language: English. Narrator: Lydia M. Bowers. Audio sample: http://samples.audible.de/bk/acx0/088883/bk_acx0_088883_sample.mp3. Digital audiobook in aax.