"Nim lives on an island in the middle of the wide blue sea, with her father, Jack, a marine iguana called Fred, a sea lion called Selkie, and their friend Alex Rover, the adventure writer. Nim's island is the most beautiful place in the world, and she wouldn't live anywhere else.When Jack invites a group of scientists to visit, they bring their children as well. But two of the scientists have plans other than studying algae... By the time Nim discovers...