The cat who robbed a bank

As the Highland Games approach, Jim Qwilleran and the citizens of Pickax prepare to celebrate their Scottish heritage. But the revelry is marred when a visiting jewelry dealer is found dead in his hotel room. His assistant is missing, and the winner of the caber-tossing contest disappears as well. Qwill has a lot of mysteries to sort out, including Koko's sudden interest in photos, pennies, and paper towels.