Young Eli Trebuckle is the ultimate fixer of all things fixable. From broken vacuum cleaners to sputtering radios, he can repair almost anything while he waits for his father to return from the war. But there is one tricky problem Eli simply cannot fix: his own terrible nightmares. One night, while staying up late to avoid another bad dream, a glowing, mysterious man named Mr. Moon appears at his window. Mr. Moon makes Eli an incredible promise. If Eli can travel to the sky and fix the broken Moonpowder factory, he will never have a nightmare again. In fact, the whole world will finally have sweet dreams! Now, Eli must face his biggest fears and tackle the most magical repair job of his life. This beautifully illustrated adventure is a heartwarming tale of courage, imagination, and believing in yourself.