Here's why:
* Mystery/Thriller: The book features a central mystery surrounding a secret society and the disappearance of a child. It has suspenseful elements, twists, and a quest for the truth.
* Fantasy: The story incorporates fantastical elements like secret societies, magical artifacts, and creatures that don't exist in the real world.
* Humor: The book has a light and humorous tone, especially in the interactions between the characters, the quirky situations, and the overall lightheartedness of the story.
Therefore, while it's primarily a mystery/thriller, it also incorporates elements of fantasy and humor, making it a unique and engaging read for a wide audience.