Adventurous Einstein and the Great Worksheet Rescue - Hardcoverby Sue Bridgman (Author), Jack Foster (Illustrator) "Adventurous Einstein and the Great Worksheet Rescue" is about an intrepid hamster determined to retrieve student worksheets stolen by a curious, tricky, and creative squirrel. There are several obstacles Einstein has to overcome to get those worksheets back to the students. With the help of some unusual friends, his determination, good attitude, and his love for the students, nothing will stop him