A. F. Harrold is the author of The Afterward, The Imaginary, and The Song from Somewhere Else, as well as an English poet who writes and performs for adults and children. He is the owner of many books, a handful of hats, and one beard. He spends his spare time showing off on stage, at schools, and at home, and his non-spare time sitting around stroking his beard and writing things down. He lives in Reading, England, with a stand-up comedian and two cats.

Mini Grey studied sequential design at Brighton University before launching her first picture book, Egg Drop, in 2002. Trained in puppet making, set design, welding and carpentry, Mini's style has an unconventional flare and instantly recognizable quirkiness. Mini has now published thirteen picture books. Among numerous nominations and prizes, Mini has won the CILIP Kate Greenaway Medal for The Adventures of the Dish & Spoon.