Here's a breakdown:
* Children's fantasy: The story is aimed at young readers and features fantastical elements like a secret society, a strange island, and unique abilities in the children.
* Mystery: The book revolves around solving the mystery of Mr. Benedict's plan and the threat of the Institute.
* Adventure: The children embark on a thrilling journey, facing dangers and challenges.
* Science fiction: The book features a futuristic dystopian world and advanced technologies like brainwashing and mind control.
While it fits primarily into the children's fantasy genre, the elements of mystery, adventure, and science fiction add depth and complexity to the story, making it enjoyable for readers of all ages.