Charlie Brown and the rest of the Peanuts gang help present scientific facts about plants, geology, weather, climate, astronomy, and space travel.

Charlie Brown and the rest of the Peanuts gang help present hundreds of scientific facts about the animal kingdom in a question and answer format.

Charlie Brown and the rest of the Peanuts gang help present a host of facts about how people live in various environments around the world.

Each volume deals with a different subject, such as astronomy, holidays, machines, clothing, transportation, and other scientific subjects. Uses questions and a

Charlie Brown and the rest of the Peanuts gang help present a host of facts about a wide variety of simple and complex machines in question and answer format.