Discover just how important the movement of people to and across the United States has been throughout the nations history. Helpful photographs, fact boxes, and a timeline bring all the aspects of imm
This book presents readers with a Nevada perspective that is rarely seen. It explores the state's history, economy, and people, focusing on how the present compares with the past.
Texas is home to some of our country’s most populous cities, but before major development came to Texas it was a wild frontier with just a few tiny settlements. Readers will enjoy a full history of Te
Most readers will recognize the name, but their information might be limited to Thomas Alva Edison's most famous inventions, including the light bulb, phonograph, and motion picture camera. This brief
Discusses how viruses and bacteria are spread, describes why some people get motion sickness, and examines the common emissions from transportation and the effects on air pollution.
The smell of a skunk’s stinky spray travels long distances and lingers for a long time. This book explains how skunks and other animals create and release their unappealing odors and how smell is used
Scorpions are one of many creatures that protect themselves using their sharp stingers. This book explains how stinging insects, arachnids, and animals use their pain-inducing appendages to keep thems
Spitting cobras have the frightening ability to shoot venom from their fangs while defending themselves against predators. These cobras are just one of many interesting creatures that use deadly venom
The electric eel protects itself by delivering a shock to anyone who touches it. This electrifying book explains how this eel and other charged animals create and deliver these defensive shocks. Color
Communication is a two-way street—we express and we receive information. Doing either without valuing the importance of each leads to a breakdown between ideas and people. This guidebook stresses the
The sea urchin is known for its sharp spikes, which poke and hurt animals that dare to approach it. This book profiles the sea urchin and other spiny animals that use body spikes for protection. Young
The great white shark is known for its multiple rows of teeth—and for its deadly bite. This book profiles the great white shark and other animals known for their powerful chomp. Thrilling, detailed ph
Explains representing numbers in the billions and describes the Hubble Space Telescope that was put into orbit in 1990 and the space images it relays to us.
Describes the various parts of the skeleton and how bones grow, and discusses joints, the difference between male and female skeletons, bone injuries and diseases, and related topics.
Introduces electricity, discussing its static and current forms; the uses of batteries, generators, and power stations; and the importance of safety precautions.
Examines the causes of earthquakes, how they are predicted and can be prepared for, and examples of historic quakes in San Francisco, Haiti, and Japan.
