Your Grandparents Are Ninjas by Anson Montgomery takes YOU on a daring adventure with your grandma and grandpa, who aren't exactly as they seem! Your 6-8 year old reader will chase after the notorious Jewel Ninja, rescue a wedding cake from hungry baby raccoons, and boogie on the dance floor! Choose Your Own Adventure Your Grandparents Are Ninjas is an interactive adventure book in which YOU decide what happens next. The Japanese superstar singer...