Tracey West is the author of the New York Times bestselling series Dragon Masters, for Scholastic Branches. She has written more than 400 books for children, including the Underdogs series, illustrated by Kyla May; the Dragon Hill series, illustrated by Carolina Vázquez, and the perennially popular Pokémon chapter books. She lives with her husband, adopted dogs, and chickens in the western Catskill mountains of New York State.

Carolina Vázquez is a freelance kid-lit illustrator who enjoys creating magical, nature-themed illustrations with cute characters. She was born in Buenos Aires, Argentina, and was inspired by books and animation from an early age. She graduated from Palermo University with a degree in Illustration Design in 2021 and since then, she has been working on children's illustration projects including picture books, magazines, and board games.