A Venture book

Describes the legal setting of custody disputes and discusses how the rights and obligations of parents and children vary under different circumstances.

Describes radio astronomy and how it helps scientists study the universe.

Introduces Parkinson's disease, a nerve disorder that often causes uncontrollable shaking and loss of energy in its victims.

Discusses the causes, symptoms, methods of prevention, and treatment of two common ailments, colds and flus.

Discusses the workings of the body's immune defense system; what happens when this system functions perfectly, too vigorously, or not at all; and current research in immunology.

Discusses the causes, effects, prevention, and treatment of the debilitating condition known as cerebral palsy, which may occur in many different forms.

Examines the concepts of personality and identity, particularly as they relate to teenagers.

Explores some of the world's most unusual ecosystems found in caves, the deep sea, hydrothermal vents on the ocean floor, underground aquifers, and rock deep below earth's surface.

A Russian schoolboy imagines his namesake, an aviator and national hero, to be his own brother, but this fancy, which has inspired him to work hard at school and to become a hero to his own classmates, presents a real conflict and time of decision when his "brother" come to visit the village.

Describes the causes and effects of stress and ways of preventing or dealing with it.

Examines fish, reptiles, mammals, and other animals with backbones, noting both their similarities and their differences.

Stories by a Russian hunter about different kinds of animals--bears, seals, rabbits, birds--and experiences he and friends have had while hunting them.

Explores different viruses and our body's defenses against them.