For everyone who has ever wondered why friends hurt or reject them, Jan Yager's book provides insights and advice to help them understand and cope with problematic friendships. Based on her extensive original research, Yager, a sociologist and friendship expert, tells why, when, and how to let go of bad friends as well as how to develop enriching and rewarding friendships.

Scott Witt is a business journalist and market researcher who has filled this book with hints to aid memorization. For example, he advises quiz cards that help you when you need to learn a lot of information fast and "want all of it on the tip of your tongue ready to be used at an instant's notice."

Breathe in. Breathe out. In that brief moment, you can contract tuberculosis. Many science writers who fly are well aware of that possibility and the other germs that can be inhaled from fellow passengers during the trip. Reichman and Tanne point out that tuberculosis is an airborne disease that will infect 8.4 million people this year, and kill 2 million. TB, they say, has never gone away and now it is bigger threat than ever before in history.

Fred Jerome, who writes a column on science and media for Technology Review, enlisted the aid of The Litigation Group to help him obtain the 1500-page FBI file for this book. From Einstein's arrival in the U.S. in 1933 until his death in 1955, Jerome writes, the FBI, with the help of several other federal agencies, collected "derogatory information," in an effort to undermine Einstein's influence and destroy his prestige.