Meet six friendly hippos in this exciting addition to the much-loved That's not my... series. With their bright, bold, eye-catching illustrations and fuzzy, furry, smooth and soft tactile patches on each page, babies and toddlers love the best-selling That's not my... books. - 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!- DID YOU KNOW...? One That's not my... book is sold every minute in the UK!- With over 80 titles to choose from, there's a That's not my... book for everyone.