Not sure how to talk about sex with your child? Many moms recommend using a book to help explain how babies are made in an age-appropriate way. As Circle of Moms member Christina H. relays: "It gives us a starting point for the conversation and helps my husband and I tailor our answers to our son's level of understanding." No matter what age your child is, there are kid-friendly books out there that can help you explain the birds and the bees. Here, we've rounded up seven suggestions from real moms, starting with books for kids as young as 5 years old and moving up through the teen years. Keep reading to see their picks.