Charles Keller

An illustrated collection of jokes and riddles with an emphasis on food, including "What's the new drink for frogs? Croak-a-Cola!"

A collection of jokes, riddles, and puns about animals.

A collection of jokes and riddles about outer space, including "Where is a cinnamon man from? Outer spice."

A collection of jokes about doctors and dentists including "What did the surgeon say to the uncooperative patient?--Suture self," and "Doctor, what does it mean when someone has tiny pupils?--It could mean she's a kindergarten teacher."

A collection of jokes about peanuts and nuts.