Another laugh-out-loud 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.

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