Another laugh-out-loud FULL COLOUR monster adventure in the 'Billy and the Mini Monsters' chapter book series, perfect for newly independent readers aged 6+ and fans of Claude and Horrid Henry. Packed with full-colour illustrations and comic strips.

Billy's feeling nervous about his first overnight stay in hospital, as he has to have his tonsils out. The Mini Monsters are determined to help , and ask to come along too. But there's so much for them to explore in the hospital... will they get back to Billy in time for his operation? And will anyone discover their mischief-making?

With humorous illustrations, comic strips, maps and speech bubbles, and an action-packed plot, to appeal to even the most reluctant reader.

Collect all the books in the Billy and the Mini Monsters series!
1. Billy and the Mini Monsters: Monsters in the Dark
2. Billy and the Mini Monsters: Monsters go to School
3. Billy and the Mini Monsters: Monsters go Swimming
4. Billy and the Mini Monsters: Monsters on a Plane
5. Billy and the Mini Monsters: Monsters go to a Party
6. Billy and the Mini Monsters: Monsters Move House
7. Billy and the Mini Monsters: Monsters on a School Trip
8. Billy and the Mini Monsters: Monsters at the Seaside
9. Billy and the Mini Monsters: Monsters at Halloween
10. Billy and the Mini Monsters: Monsters Go Camping
11. Billy and the Mini Monsters: Go Green
12. Billy and the Mini Monsters: Monsters at Christmas
13. Billy and the Mini Monsters: Monsters go to Hospital
14. Billy and the Mini Monsters: Monsters on a Sleepover