This children’s classic weaves together illustrations, photographs, activities, and a child-friendly tone to create a comprehensive picture of the world. Colorful photos and bold, playful illustrations add to the fun activities and help young children to learn about arts, plants, the universe, earth, human body, history, and more.

Large text is suitable for beginning readers while colorful sidebars and fact boxes break up paragraphs and encourage exploring. Diagrams are used to make sense of concepts when necessary and full-page photos and illustrations cater to the visually inclined. Topped off with a helpful glossary and index, these books are written specifically for children so they can strengthen their research skills and make sense of new ideas without stumbling over high-level vocabulary.

With a whole world to explore wrapped up in 12 updated and expanded volumes, this successful children’s series has proved to be a hit for generations. Give your young learner the books that inspired you as a child.