4 years & up. Duncan just wants to color, but when he opens his crayon box, he's met with a surprise-letters from his crayons, and they're all saying the same thing: they quit! Blue crayon is exhausted from coloring endless oceans and skies. Black crayon is tired of being stuck with outlines and wants a chance to shine. Meanwhile, Orange and Yellow are in a heated feud, each convinced they're the rightful color of the sun. Now Duncan faces a tricky challenge: how can he make peace with his crayons and get them back to doing what they love most? 40 pages.