In the quiet town of Wisp Hollow, the changing seasons are more than just a passing of time?they are infused with ancient magic. Thistle, Clover, and Fennel uncover the hidden guardians that protect Halloween, winter, spring, and summer, each tied to the balance of the natural world. But when a dark force threatens to disrupt the seasons and plunge the world into chaos, the trio must gather the fragmented magic of the guardians and restore balance. Filled with adventure, magic, and friendship, The Mystery of the Disappearing Halloween Costumes reveals the secret forces that protect Wisp Hollow's magical past.