What kind of tree did the math teacher climb? Geometry. Add Up the Laughs with this Joke Book! Get kids counting smiles, snickers, snorts, and guffaws with this illustrated joke book all about math. When the fun seems to be subtracted from the room, this little book of jokes is sure to multiply the laughs. Featuring 24 jokes about math, this book equals enjoyment. "Why was Six Afraid of Seven?" is a 28-page nonfiction joke book from the Illustrated Jokes book series, written by Stephanie Rodriguez and illustrated by Brenda Ponnay. The book is filled with a variety of math-related jokes and puns that will make readers laugh and think. The jokes in this book are based on math concepts, and presented in a simple and easy-to-understand language. The book is great for kids who are learning math and love to laugh and enjoy wordplay. The colorful illustrations and simple language make the puns easy to understand and appreciate.