An exciting and thrilling introduction to space includes such adventures as visiting planets, investigating the inside of a space station, and more, with helpful acetate windows, simple text, and a wealth of fascinating trivia questions.

Introduces the various systems in the human body and how they work, in a book with transparencies that reveal various body parts

Discusses the origins of writing, from cave paintings through the invention of printing and Braille, and of ways of indicating numerals

Introduces ways people have communicated in code, from prehistoric trail markers to the binary code used in computers, including Morse code, semaphore, and secret codes

Introduces ways messages, ideas, and feelings can be communicated without words

Introduces ways information can by conveyed by colors, signs, coats of arms, flags, badges, maps, and other kinds of symbols

Discusses the solar system, space travel, and why Earth is a special planet