Jo, Molly, Mal, April and Ripley are five girls who are in the Roanoke cabin at Miss Qiunzella Thiskwin Penniquiqul Thistle Crumpet's Camp for
They end up stranded in the woods with no idea how to get back. They enter a cave hoping to find shelter, but there seems to be no rest for the five girls.
It is really funny but also serious at the same time. It's a bit like a thriller comedy with a fantasy twist.
I would not suggest it for anyone younger than ten years old, so it's kind of an 11+ book.
If you can find a copy, read it because it is new, but really good.