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

It's Billy's best friend's birthday, and the Mini Monsters have come to the party too! Gloop gets mixed up with the jelly, Fang-Face is after the cake and Trumpet's been swept away by a balloon. Billy can't save them all on his own, but who can he turn to for help?

Packed with colour illustrations, comic strips, maps and speech bubbles, with 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