"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....