With over 1700 species, more than one-third of all mammals are rodents. From the jumping jerboa to the humungous capybara, What is a Rodent? gnaws through rodent myths to expose the facts… More →

This interesting book describes the characteristics of a theocracy, a political system in which a deity, or god, is considered to be the supreme ruler of the state. Religion plays the central More →

John Dalton is considered by many to be the Father of Modern Atomic Theory. Readers will learn how Dalton developed his influential theory that explains the shape, structure, and behavior of… More →

This informative and beautiful book looks at apex, or top, predators - animals that are not eaten by other animals in their habitats - and why these animals play a very important role in… More →

Animals with backbones are called vertebrates. This amazing book allows young readers to peek inside an animal and understand its body structure from the inside out. Detailed illustrations of More →

Whales are the only mammals that spend their entire life in the water. From playful dolphins to enormous blue whales, the behavior, habitats, and physiology of these amazing marine mammals… More →

This fascinating title examines the sequence of events that led to the formation of cell theory. In 1665, scientist Robert Hooke published Micrographia, the first significant work focused on… More →

Climate is the average weather in an area over many years. It includes temperature, precipitation, wind patterns, and seasons. Climate is different in different parts of the world, as well as More →

Culture is the way people live. It is the languages they speak, the clothes they wear, the foods they eat, the stories they write or tell, their art and history, the kinds of buildings they… More →

Democratic governments and processes are based on shared ideals for the common good of all citizens. Find out what these democratic values are and how to take part in democracy in your own… More →