Many sites on the worldwide web are helpful to parents. Here are a few we like:

missingkids.com
The National Center for Missing and Exploited Children

klaaskids.org
Klaas Kids Foundation

vca.org
Vanished Children's Alliance

usdoj.gov
United States Department of Justice

netnanny.com
NetNanny helps protect your internet-savvy child from predators and obscene material

cybersitter.com
Cybersitter helps protect your internet-savvy child from predators and obscene material

mypreciouskid.com
MyPreciousKid child safety info & products