Jim Qwilleran and his two sleuthing companions, Siamese cats Koko and Yum Yum, attempt to solve a series of murders that have rocked the town of Pickax.

Jim, Qwilleran, Koko and Yum Yum go to Peaceful Pear Island to investigate suspicious happenings that resulted murders around the island.

In Pickax, PI Jim Qwilleran and his feline assistants, Koko and Yum-Yum, investigate the death of a local banker who was mugged and shot while on a business trip in Detroit. By the author of The Cat Who Said Cheese.

Koko's strange new hobby of dropping himself from balconies has landed him in the oddest of places--a young visitor's head whose wealthy relatives soon fall deathly ill, making Qwill have his work cut out for him.

Jim Qwilleran and his cats investigate a hotel bombing that killed a housekeeper and the disappearance of a mysterious woman after the blast.

With his companion Polly in Paris, Qwill keeps himself occupied by writing an absurdist play called "The Cat Who Got Elected Dog Catcher." Meanwhile, things are spicing up in Pickax. Huge inheritances from old families are suddenly and mysteriously pouring in to town, but nobody is quite sure why. Except Koko, that is--and she's not telling. Then things get really interesting when one resident drops dead from an apparent bee sting. Can Qwill and his...

A former reporter solves the murder of a developer with the help of a cat. An innocent man may have been framed.

Jim Qwilleran and his feline sleuths, Koko and Yum Yum, investigate the disappearance of a wealthy railroad buff--and alleged multimillion-dollar embezzler--a case that becomes complicated by red herrings, a tragic train wreck, and a murder in a railroad tavern.