One of the best ways that caregivers can educate their child to prevent sexual abuse is to help them understand how they are “the boss of their body”. Meghan's children's book “Who's the Boss of this Body”, that is available on Amazon, is a useful tool in helping parents with this conversation.
https://www.amazon.com/Whos-Boss-Meghan-Hurley-Backofen/dp/1093530804