KATHI WAGNER is the author of The Everything Kids' Riddles & Brain Teasers Book, The Everything Kids' Astronomy Book, and several other nonfiction books for children. She is a librarian in Red Oak, Iowa.

KATHI WAGNER is the author of The Everything Kids' Riddles & Brain Teasers Book, The Everything Kids' Astronomy Book, and several other nonfiction books for children. She is a librarian in Red Oak, Iowa. Less