For years, from behind a computer screen, Erin Patterson built up a reputation in an online true crime community as a "super sleuth". Today, she herself has become a true crime obsession.

Reviews, essays, best sellers and children's books coverage from The New York Times Book Review.

I n the immortal words of Cornelius Fudge, “He’s back.” Fewer than 15 years after young wizard Harry Potter last appeared in the film Harry Potter and the Deathly Hallows: P ...