Discusses habitats of the various animals that inhabit Africa.

Introduces different types of rocks and where they are found.

"Learn all about dyslexia, from what causes it and how it affects people to how it is diagnosed and treated."-- Provided by publisher.

"Autism affects millions of people around the world by limiting their ability to communicate and interact socially with other people. Some face minor difficulties, while others are so severely affected that they require special assistance throughout their lives. Readers will find out what it is like to live with autism, what causes this condition, how it is treated, and more."--Publisher's website.

"Learn all about Lyme disease, from what causes it and how it affects people to how it is diagnosed and treated."-- Provided by publisher.

About 12.5 percent of all deaths in the world are caused by cancer, making it deadlier than AIDS, tuberculosis, and malaria combined. Readers will discover how this common, yet deadly disease is diagnosed and treated. They will also learn how different kinds of cancer affect the body differently and why some types are deadlier than others.

Readers will find out why some people have allergies and others don't, how allergies are diagnosed and treated, and which substances are the most common allergens. They will also learn how people with allergies avoid hidden everyday allergens and get a sneak peak at the new allergies treatments doctors are preparing for the future."--Provided by publisher.

"Learn how animals can be trained to work in healthcare positions or used for therapy."-- Provided by publisher.

As one of our closest neighbors in the solar system, Mars has long fascinated people who are interested in space exploration. Readers will find out how we have used advanced technology to explore the surface of Mars and why some scientists think they might one day discover life on the fourth planet from the sun. They will also learn what it is like on Mar's surface and why scientists are paying such close attention to the planet's moons.