Many parents of young children look for direction as to how they should talk to their children about their bodies, good touch/bad touch, how babies are made and other sexuality topics. An article written by a pediatrician and published in the Seattle Post-Intelligencer gives sound advice that reflects much of the research and practice around these issues. You can
read it here. For more detailed information, check out Debra Haffner's book
"From Diapers to Dating".