“I already know most of what’s in there,” my sister told me. We were in a bookstore downtown. She picked a book about reducing inflammation. That’s something we both have been struggling with recently, for different reasons. When I asked if she wanted it, she said she’d rather skim. If it teaches you at least one lesson, it’s a good book. And if it doesn’t teach you anything, it wasn’t for you. Reading a book is downloading decades of experiences and lessons into hours. It’s the closest to the “I know KungFu” experience of Neo in The Matrix. Reading three...