children's encyclopedias and dictionaries

An introduction to geography, including landmarks, natural and man-made wonders, monuments, and more. Describes maps and map-making, how to plan a trip, and more. Includes activities.

Discusses the people and cultures of many nations, including responsibilities and customs, and how families, neighborhoods and nations throughout the world work together. Includes extension activities.

Shows how mathematics can be fun through the use of puzzles, stories, and games.

Describes how scientific knowledge is applied to technology, and the importance of technology in our lives. Includes activities.

Presents an introduction to basic principles of science, including movement, matter and energy, heat and cold, light and sound, and electricity. Includes activities.

Presents an introduction to astronomy, describing each planet in the solar system, space technology and more. Includes activities.

Presents an introduction to earth sciences, describing the Earth's composition, geography, weather and climates, and more. Includes information on why and how to protect the Earth, and activities.

A study of the plant world, including what a plant is, what it does for us, how to grow a garden, endangered and dangerous plants, and more. Includes activities.

An introduction to the visual arts (crafts, painting, sculpture) and performing arts (music and theater). Includes activities.

A collection of illustrated stories and tales from various cultures. Includes activities.