In this mystery in the bestselling Cat Who series, Jim Qwilleran takes a trip to Scotland and brings home a case that only his cats Koko and Yum Yum can solve.

Qwill's on his way to Scotland--and on his way to solving another purr-plexing mystery. But this time, Koko's nowhere near the scene of the crime. He and Yum Yum are back in Pickax, being coddled by a catsitter.but Koko won't sit still once Qwill's traveling party returns--minus one member. He's behaving oddly, and Qwill knows what that means: Koko may have been miles away from the murder scene--but he's just a whisker away from cracking the case