In “Index, A History of the,” Dennis Duncan explores the life and times of a practice that’s been dividing readers since Gutenberg.

An author is raising alarms this week after she found new books being sold on Amazon under her name — only she didn’t write them; they appear to have been generated by artificial intelligence.

5 Rules to Get the Most Out of Every Book You Read, According to Tim Ferriss Reading is great. Putting what you read into action is vastly more valuable.