Formerly an editorial director at Random House BFYR, Jen Arena has written over 50 books for kids, including fiction and nonfiction, licensed and original. Her books have been published by Knopf, Roaring Brook, Scholastic, Kane Press, Grosset & Dunlap, DK, Two Lions, Bearport Publishing, and Little Brown and translated into French, Spanish, Korean, and Arabic. Blanca Gómez is an illustrator living and working in Madrid, Spain. She started doing illustrations for her mother when she was a kid; now she makes illustrations for clients around the world, for her own shop catalog and, of course, sometimes for her mom too.