Sam Carter's got a lot of balls. Now she just needs to figure out how to keep them all in the air. Halfway to earning her PI license under her older brother Paul's not-so-careful watch, she's scrambling to post more points in the ninja-skill column than the blunder column.Her newest mission: find out why a tourist company's scavenger hunts are being sabotaged...and why the hunt host winds up dead next to a nine-foot tall guitar. Sam and Paul have...