Charlie Brown's Fifth Super Book of Questions and Answers: About All Kinds of Machines and How They Work! : Based on the Charles M. Schulz Character

Charlie Brown's Third Super Book of Questions and Answers: About All Kinds of Boats and Planes, Cars and Trains, and Other Things That Move! : Based

Charlie Brown's Super Book of Questions and Answers About All Kinds of Animals

Charlie Brown's Second Super Book of Questions and Answers: About the Earth and Space ... from Plants to Planets! : Based on the Charles M. Schulz C

Charlie Brown's 'Cyclopedia: Super Questions and Answers and Amazing Facts, Vol. 1: Featuring Your Body

Charlie Brown's 'Cyclopedia, Vol. 15: Featuring Electricity and Magnetism

Charlie Brown's 'Cyclopedia: Super Questions and Answers and Amazing Facts, Vol. 8: Featuring Stars and Planets

Charlie Brown's 'Cyclopedia 15 Volume Set, Super Questions and Answers and Amazing Facts (Charlie Brown's 'Cyclopedia , Super Questions and Answers and Amazing Facts, Volumes 1-15)

Charlie Brown's 'Cyclopedia: Super Questions and Answers and Amazing Facts, Vol. 4: Featuring Cars and Trains and Other Things that Move