Everything You Never Wanted Your Kids to Know About Sex (But Were Afraid They'd Ask) - Justin Richardson and Mark Schuster

If you have kids, ages 0 to 18, you should read this book.

Everything You Never Wanted Your Kids to Know About Sex (But Were Afraid They'd Ask): The Secrets to Surviving Your Child's Sexual Development from Birth to the Teens
Justin Richardson and Mark Schuster
2004
Available from Amazon