My DS (16) knows plenty about it, I'm sure, but I'd quite like to get him a book suitable to his age-group which talks about both the practicalities (contraception, STDs etc) but also about what it's really all about and how to make sure its an enjoyable experience for all involved.
I don't want to get him an adult guide, since that would probably assume a fair amount of "practical" knowledge, which I'm pretty sure he doesn't yet have. But equally, he already has an early-teen one (Lets Talk About Sex) which doesn't really go into detail about "doing it" as its aimed more at puberty.
Any suggestions?