The New York Times bestseller

"It's no exaggeration to say that Behave is one of the best nonfiction books I've ever read." -David P. Barash, The Wall Street Journal

"It has my vote for science book of the year." -Parul Sehgal, The New York Times

"Hands-down one of the best books I've read in years. I loved it." -Dina Temple-Raston, The Washington Post

Named a Best Book of the Year by The Washington Post and The Wall Street Journal

From the celebr...

Finalist for the Los Angeles Times Book Prize

From the man who Oliver Sacks hailed as “one of the best scientist/writers of our time,” a collection of sharply observed, uproariously funny essays on the biology of human culture and behavior.

In the tradition of Stephen Jay Gould and Oliver Sacks, Robert Sapolsky offers a sparkling and erudite collection of essays about science, the world, and our relation to both. “The Trouble with Testosterone” explores...