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.
"When Adèle and Simon take a tour of China in 1905, Simon misplaces his belongings, one by one . . . but they all show up later, revealing their hiding places in Adèle's souvenir photographs of the trip"--