John Lewis knew that treating someone differently because of the color of their skin was unfair and wrong. In his early 20s, he decided to do something about it. During the struggle for equal treatme
Freedom fighter and abolitionist. Terrorist and murderer. John Brown has been called many names throughout history. But who was the real John Brown? Explore Browns life leading up to Harpers Ferry. Th
It is hard enough getting a complete picture of how the most common animals--domestic pets, for example--behave. However, this is tougher still for creatures that are active at night, such as many spe
Much technology described in the other four books is to assists in the conservation of animal species. Getting information on numbers, behavior, and movements helps identify environmental problems tha
Finding prey and detecting predators are life-or-death matters for animals. They use some technologically advanced systems including the senses we're familiar with--and others that are far more sensit
Some animals, including frogs and dragonflies, change their body to live in different environments. Others, such as chameleons, change color to blend into the background to hide from predators, Still
Many types of animals use tools to find food, build a home, and defend themselves. Chimps use sticks to get grubs from small holes or honey from beehives. Sea otters crack open clams on rocks. Tailorb
It is hard enough getting a complete picture of how the most common animals--domestic pets, for example--behave. However, this is tougher still for creatures that are active at night, such as many spe
Identity is vital to any scientific research--but it is not always easy to establish, especially with groups of species that look very similar, or those with secretive lifestyles. A number of fascinat
Counting animals is a challenging exercise. Many animals only come out at night. Others are very shy, and have become adept at avoiding people. Some live in remote places where it is difficult for peo
Animals build an incredible array of structures in which to sleep, raise young, or catch prey. Some structures involve excavating in subsoil or wood, others involve construction underwater, and some a
Sound, sight, and chemicals are all important as animals attempt to communicate warnings, information about food, to attract a mate, or sometimes just for pleasure. Whales communicate across hundreds
Illustrated instructions guide readers through Earth Science experiments focusing on plant and animal life, including photosynthesis, bacteria, minerals, and fossils. An engaging way to support the Ne
Illustrated instructions guide readers through Earth Science experiments pertaining to water on Earth, including the water cylce, evaporation, transpiration, and precipitation. An engaging way to supp
Meningitis make it a difficult disease to understand. But the more you know about the causes, symptoms, and treatment of meningitis, the better equipped you are to understand this disease. Clear, conc
Great explorer and sailor. Hungry for riches and gold. Views about Christopher Columbus have changed over time. But who was the real Christopher Columbus? Explore Columbus's life throughout his journe
