McAfee and Haynes explain what computer viruses are, how they work, and who the likely targets for attack are. They describe how viruses can infect your system even if you don't exchange material with others, how to detect a virus attack, and how to defend against and remove an attack. The authors also cover other computer pests such as worms, Trojan Horses, logic bombs, as well as antiviral programs. ISBN 0-312-02889-X (pbk.): $16.95.