Aidan : Gatekeeper Press : 9781662929908 : 1662929900 : 31 Aug 2022 : Aidan has a very normal life with a normal family, but everything changes one day-when he's attacked by a lead monster! It gets in his windowsills, in the soil, and in the water. He becomes very sick, to the point where he has to go to the hospital. His experience makes him realize how he wants to help protect other kids from the lead monster, and so he becomes the Lead-Free Superhero! The Lead-Free Superhero is a picture book meant to help parents discuss the dangers of lead with their young superheroes. Based on the real-life experiences of a boy in Milwaukee, and illustrated with his own drawings, this book is perfect for children just learning about the world.