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Explains photosynthesis, the process responsible for providing the material and energy for all living things, and discusses such related issues as respiration, the carbon cycle, acid rain, and the greenhouse effect.

When you think of cockroaches, you probably imagine dirty pests scurrying across the kitchen floor. But many people keep hissing cockroaches as pets! Authors Alvin and Virginia Silverstein and Laura Silverstein Nunn explain how these large hissing cockroaches behave in the wild and how to keep and care for them as pets. Having such an unusual pet is definitely far-out!

This book describes this learning disorder, and discusses diagnosing dyslexia and getting help.

Explains different types of forces, how forces and simple machines work, the laws of motion, and how the laws act in different substances.

What is ADHD? Readers will find out who gets ADHD, what causes it, how it is diagnosed, and how it is treated.

Everybody gets sick. Readers will use this guidebook to explore the common cold and the flu, how these diseases are spread, treated, and prevented.

Authors Alvin and Virginia Silverstein, and Laura Silverstein Nunn explore the history of hairless dogs and explain the special care that these dogs need. Help readers prepare for this very unusual pet.

Authors Alvin and Virginia Silverstein and Laura Silverstein Nunn explore asthma in this book. Readers find out what asthma is, what triggers attacks, and how to treat and prevent asthma attacks.

Have your readers ever had a sore throat? This essential self-help book examines what causes sore throats, the body's ways of healing, tonsillitis, strep throat, and how to feel better.

Discusses the three kinds of symbiosis--mutualism, commensalism, and parasitism--and describes examples of these relationships.