917, then subtract 765 and divide the answer by 33?
A headache. (Unless you're Matilda!)
Matilda's Jokes for Awesome Kids would even make the Trunchbull laugh!
Narrated by Matilda herself, this joke book is stuffed full of gigglesome gags, silly puns, brain-tickling riddles, and the Trunchbull's favorite insults, guaranteed to raise a chuckle from human beans young and old.