The Mystery of Nine
Mandrill Mountain Math Mysteries
The eight monkeys meet another monkey on the island named Spider. They aren't sure if they can trust him or not, but they begrudgingly welcome him into their fold.
* Reviews *
Series Review: Mandrill Mountain Math Mysteries"The best monkey-based education since "monkey see, monkey do," these stories star a group of assorted primates who have washed up on the shores of a strange island. There, they use their problem-solving abilities to survive and outwit a band of hostile apes. The humorous adventures provide a lighthearted and exciting way to demonstrate various mathematics-related skills."
--Booklist
