Jim Qwilleran and his Siamese sleuths, Koko and Yum Yum, investigate the disappearance of a wealthy railroad buff in this mystery in the New York Times bestsell

"In The Cat Who Wasn't There, Qwill is persuaded by his beloved companion, Polly Duncan, to join a group tour of Scotland. Although he expects to revel in his S

Jim Qwilleran and his cats Koko and Yum Yum must solve a curious caper in this mystery in the bestselling Cat Who series. Something is amiss at Maus Haus. Not j

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..

In this charming Cat Who mystery, a misused mansion sets the stage for a strange caper for Jim Qwilleran and his cats Koko and Yum Yum. Qwill’s moved into the