Uncle John is back with another For Kids Only masterpiece! Book of Fun is stuffed with wacky facts, gross-out jokes, goofy games, magic tricks, puzzling puzzles, and hilarious pranks. Easy-to-read stories and gags are brought to life with silly illustrations and fun fonts (which research suggests actually help kids build reading and comprehension skills). A sample of the fun to be had:
 
* How to make your own whoopee cushion
 * Simple calculator tricks to amaze your friends
 * Classic riddles and mind-boggling brain teasers
 * Tongue twisters and word games
 * One-minute mysteries
 * Silly science tricks
 * Optical illusions
 * Lots of jokes . . . like this one: Q: Why do gorillas have big nostrils? A: Because they have big fingers.
 And much, much more!