Instruct: Classify Amazon reviews into positive or negative sentiment
Query: GOOD BOOK!!!

Ruby Holler is a book about 13 year old twins that are called "The Troubled Twins." They live with these mean foster parents, "The Trepids." They get slapped and put in the celler. Every couple they go with, they come right back! One day this sweet 60 year couple come and want to take these kids on a trip! But they would have to be seperated. They have never been seperated. They deceided to go. Ruby Holler is this magical little town where the couple lives! The couple tell stories to the twins about there children! This person was watching over the couples house for a while, when he found this paper telling about the twins! Could the kids be his?This is a great book but left me hanging at the end. If you like sad stories, little mystry, and adventrous books then I'd recamend this book.