Text, diagrams, photographs, maps, fact boxes, and illustrations provide information about the Earth's crust and core and how the surface of the planet has changed.
Presents an introduction to planet Earth, in simple text with illustrations, providing information on the water cycle, weather and climate, oceans, earthquakes, volcanoes, deserts, forests, and more. Includes activity projects.
While bouncing through Earth's prehistory in a malfunctioning time machine, Andrew, his cousin Judy, and Thudd the robot meet Dr. Kron-Tox's nephew, Beeper, and nearly lose the Time-a-Tron in a tsunami.