Grace Sandford is an illustrator and designer whose clients include Palmer Hargreaves, Stew magazine, Green Android Ltd., and Paper and Apparel. Her books include the two previous books in the Secrets of an Overworld Survivor series; Tough Cookie, written by Kate Louise; and The Egg, which she both wrote and illustrated. She recently illustrated brand-new editions of the bestselling novels for Minecrafters by Winter Morgan, Quest for the Diamond Sword and Mystery of the Griefer's Mark.