When Duncan arrives at school one morning, he finds a stack of letters, one from each of his crayons, complaining about how he uses them.

Although they are many different colors, the crayons in a box discover that when they get together they can appreciate each other and make a complete picture.

When Sheriff Hardy investigates the source of a brilliant light and shiny slime afflicting Riverbend, he finds that the village is becoming part of a child's coloring book streaked with greasy crayons.

One day, Duncan is happily coloring with his crayons when a stack of postcards arrives in the mail from his former crayons, each of which has run away or been left behind, and all of which want to come home.

"The crayons fight over who is the true color of Christmas"--

"As St. Patrick's Day fast approaches, Green Crayon would like a break since he's still recovering from Christmas, but when his friends try to take over, it soon becomes apparent just how much he's needed"--

"The crayons are getting ready to go back to school, and each crayon has a subject they're looking forward to the most. They're also ready to meet new friends ... and let loose during their very favorite time of day: art class"--

"The very first Crayon Activist presents this picture book in which she spreads a message of inclusivity, empowerment and the importance of inspiring the next generation of leaders through The Peach Project and crayons"--

"Sienna looks forward to drawing a picture for her school's spring art show, until she ends up with the last two crayons ... By the time Sienna arrives at the art table in her classroom, all the crayons are gone except dark brown and light brown. Now how can she make a special picture for the art show? Andy teases that all she'll be able to draw is mud and dog poop. Her teacher tries to cheer her up, telling her that lots of wonderful things are brown....