Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Survival

This book is great. It's an exciting adventure story about Brian, a 13 year old boy who must fend for himself in the Canadian wilderness. The author wrote it in such a way that I found myself wondering what I would do in Brian's situation. It was tense and realistic, but still had moments of humor (such as when he names his raft "Brushpile One", or when he gets a sudden windfall of food and decides to first "eat until he drops" and then be careful and ration the food.)There are some gory and upsetting parts, but I didn't find it depressing.