Twenty years ago, parenting books used to be where it was at. Parents who had a million questions about how they should raise their kids didn't go around posting about it on their MySpace pages. They went to Borders, Books A Million, and other now-defunct stores and bought a bunch of books about it! While not all parenting books are written by experts, they're at least a bit more inherently trustworthy than strangers on the internet . When I was a kid, all of the adults in my life told me to be…