This is by far the best and most comprehensive sex education book I've found. I'd recommend it to anyone who thinks they're ready to start having sex, or who is relatively new to sex, or who finds themselves with a lot of questions either about sex itself or their own sexuality. I think it's also perfect for adults/parents looking to discuss sex with a teen.

The subtitle could be "Guys, it's time we're straightforward and level-headed about sex."