THE INSTANT #1 NEW YORK TIMES BESTSELLER • A Wall Street Journal Top 10 Book of 2024 • A Washington Post Notable Book • A New York Times Notable Book • The Goodreads Choice Award Nonfiction Book of the Year

A must-read for all parents: the generation-defining investigation into the collapse of youth mental health in the era of smartphones, social media, and big tech—and a plan for a healthier, freer childhood.

“With tenacity and candor, Haidt lays out the consequences that have come with allowing kids to drift further into the virtual world . . . While also offering suggestions and solutions that could help protect a new generation of kids.” —Shannon Carlin, ,i>TIME, 100 Must-Read Books of 2024

After more than a decade of stability or improvement, the mental health of adolescents plunged in the early 2010s. Rates of depression, anxiety, self-harm, and suicide rose sharply, more than doubling on many measures. Why?