Meet six friendly hippos in this exciting addition to the much-loved That's not my... series. Babies love these best-selling books with their bold illustrations, textures to explore, and a mouse to spot on every page. 

That's not my... books are designed to be shared, and support sensory and language development. 
Don't forget to spot the little white mouse on every page!

• Number of pages: 10 pages
• Book cover: Board book
• Illustrated by Rachel Wells
• Its back is too smooth.