Bøger i Diary of a 5th Grade Outlaw serien

When Bonus Bucks start disappearing from teachers' desks, Nadia immediately blames Wilu, the new kid in class. Robin launches "Mission Make Wilu a Friend" to figure out if he's really the Bucks Bandit--but it's hard to befriend someone who's determined to go it alone! Will Robin win Wilu over and learn the truth about the disappearing bucks?--