Discusses what fossil fuels are, how they were created, how they are used, and the need to find alternate sources of energy before the available fossil fuels are used up.
Simple text and photographs provide an introduction to piranhas, discussing where they live, what they eat, their life cycle, and their relationship with humans.
Presents a short study of the earth's crust, describing how the continents shifted, how mountains were formed, earthquake faults, and volcanic eruptions.