9780739832493 | Heinemann/Raintree, May 1, 2001, cover price $28.21 | About this edition: Discusses what causes earthquakes and volcanic eruptions, how they can be detected, and how to survive them.
9780739832509 | Heinemann/Raintree, May 1, 2001, cover price $28.21 | About this edition: Discusses different kinds of rocks, how they are formed, and their uses, and offers suggestions for collecting them.
9780739832455 | Heinemann/Raintree, March 1, 2001, cover price $28.21 | About this edition: Discusses what causes different types of weather conditions, why weather changes, and how it is forecast.
9780739832479 | Heinemann/Raintree, January 1, 2001, cover price $28.21 | About this edition: Explains what causes the seasons to differ from each other and describes how plants and animals react to the changing seasons.
9780516203522 | Childrens Pr, October 1, 1997, cover price $19.50 | About this edition: Discusses how we move people and things by land, sea, and air, and how we communicate through radio, television, satellite, and other means.