Greyson Mann is the author of the previous books in the Secrets of an Overworld Survivor series, Lost in the Jungle, When Lava Strikes, and Wolves vs. Zombies. He learned how to play Minecraft from his nine-year-old nephew, who proved that being a good player isn't about age--it's all about experience! Greyson still takes time to explore and have great adventures, both in the Overworld and in real life, too, near his home in Madison, Wisconsin. 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 previous books in the Secrets of an Overworld Survivor series, Lost in the Jungle, When Lava Strikes, and Wolves vs. Zombies; Tough Cookie, written by Kate Louise; and The Egg, which she both wrote and illustrated. She currently resides in Norwich, England.