Benjamin Harper 
Super Scavengers [PDF ebook] 

Dozens of kids sign up to compete in a citywide scavenger hunt. The winning team will receive a historic prize, the team’s likeness sculpted into a statue for the local park. Unfortunately, most players quickly become bad sports, resorting to some not-so-nice trickery, sabotage and booby-traps to gain the upper hand. Will the best team win or the worst?