The search for treasure : the sixth adventure in the kingdom of fantasy - Geronimo Stilton; Andrea Schaffer, translator; Giuseppe Facciotto; Chiara Balleello; Barbara Pellizzari; Valeria Brambilla; Alessandro Muscillo, illustrator (New York, NY : Scholastic Inc., 2020)
Keywords: Thea Sisters (Fictitious characters) -- Juvenile fiction; Mice -- Juvenile fiction; Treasure troves -- Juvenile fiction; Emeralds -- Juvenile fiction; Explorers -- Juvenile fiction; Quests (Expeditions) -- Juvenile fiction; Diaries -- Juvenile fiction; Adventure stories