Equipped with her almighty adventure belt, Middy leads her younger brother Mack in search of new discoveries in nature. When Middy and Mack find some new firefly friends, they see just how bright their lights twinkle, shimmer, and shine. Mack learns that he too has a light that he can shine, but how? Join Mack as he finds out how to twinkle, shimmer, and shine like the fireflies. Then follow along with Middy and Mack as they discover something far greater than their firefly friends: God's love and grace. The book features a Bible memory verse, questions for the reader, and tips for catching fireflies.