लेखक: Petra Miller

Readers explore the geography, climate, history, people, government, and economy of Michigan. The third edition of this popular series provides lists of key people, sites, cities, plants and animals, …

Floods happen everywhere. Learn about the causes, which ones caused the most damage, and what is being done to protect people and their property. …

Hurricane is the name given to tropical cyclones that form in the Atlantic Ocean. Learn how they form, how they are categorized, which ones were the most destructive, and how you can protect yourself …

Earthquakes are a natural part of the process in the ongoing formation of our planet. Learn about the different kinds, how they occur, which ones did the most damage, and what is being done to protec …

Dengue fever ranks behind only malaria among diseases spread by insects as a threat to humans. The fight to eliminate the mosquitos that carry the disease has been slowed by environmental concerns an …

The Ebola virus is highly contagious, spreading through direct contact with blood and bodily fluids. This book outlines previous outbreaks of this very deadly disease and describes the massive effort …

Down syndrome is caused by a flaw in the genetic code that affects the mental and physical development of people with it. Readers will examine this condition and its causes, and learn about research …

Cystic Fibrosis is a fatal genetic condition that affects people physically and mentally every day. This guidebook sensitively explains this condition and the genetic causes behind it, and it follows …

Alopecia areata is not a life-threatening condition, but rapid hair loss can be psychologically devastating to those it afflicts. This book describes the condition and the genetic causes behind it an …

There are three forms of hepatitis, and they infect up to 6 percent of the people in the United States. Drugs that fight this viral infection, which attacks the liver, have been approved but many peo …