Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Once you start, you can't stop

This book is an exciting mix of a second grader's love for a classroom pet (hamster) and suspense of a detective story. A perfect read to familiarize your child to second grade life, this book has adventures and lessons on every page . First peek inside what's in a 2nd grader's classroom and then take a field trip with the class to the Science Museum! When the breathtaking accident finally happens(the hemster got lost in the museum), the young readers will learn how to use clues to solve the problem and save the day with Sam, the trouble-maker-turned-hero who has THE BEST SEAT IN SECOND GRADE!