Pebble plus. Earth and space science

Text and photos explain the science behind the water cycle.

Simple text and full-color photographs explain the reasons for and the ways to recycle.

An introduction to exploring space that provides information on satellites, telescopes, astronauts, moon landings, probes, robots, and possible space missions in the future, with instructions for making a balloon rocket.

Simple text and photographs explain the science behind forecasting the weather.