Underpants Panic : Book 11

Four hilarious stories, in which Horrid Henry hits on a brilliant way to write thank you letters, negotiates over vegetables, competes with Perfect Peter over which of them is sickest, and finds himself wearing the wrong underpants, with dreadful consequences.

Horrid Henry is a prize-winning 20-million-copy-selling series by Francesca Simon, illustrated by Tony Ross.

Read all Horrid Henry books in the series:

1. Horrid Henry
2. Horrid Henry and the Secret Club
3. Horrid Henry Tricks the Tooth Fairy
4. Horrid Henry’s Nits
5. Horrid Henry Gets Rich Quick
6. Horrid Henry’s Haunted House
7. Horrid Henry and the Mummy’s Curse
8. Horrid Henry’s Revenge
9. Horrid Henry and the Bogey Babysitter
10. Horrid Henry’s Stinkbomb
11. Horrid Henry’s Underpants
12. Horrid Henry Meets the Queen
13. Horrid Henry and the Mega-Mean Time Machine
14. Horrid Henry and the Football Fiend
15. Horrid Henry’s Christmas Cracker
16. Horrid Henry and the Abominable Snowman
17. Horrid Henry Robs the Bank
18. Horrid Henry Wakes the Dead
19. Horrid Henry Rocks
20. Horrid Henry and the Zombie Vampire
21. Horrid Henry’s Monster Movie
22. Horrid Henry’s Nightmare
23. Horrid Henry’s Krazy Ketchup
24. Horrid Henry’s Cannibal Curse
25. Horrid Henry: Up, Up and Away