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.

Is it just a case of summertime blues or a full-blown career crisis? Newspaper reporter Jim Qwilleran isn't sure, but he's hoping a few days in the country will help him sort out his life. With cats Koko and Yum Yum for company, Qwilleran heads for a cabin owned by a long-time family friend, "Aunt Fanny." But from the moment he arrives, things turn strange. Eerie footsteps cross the roof at midnight. Local townsfolk become oddly secretive. And then...

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.

Jim Qwilleran is not exactly thrilled by his new assignment for the Daily Fluxion--a weekly magazine on interior design. But Qwilleran finds himself on familiar territory when a murder is committed, and he and Koko, the brilliant Siamese, take the case.

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

Former award winning news reporter Jim Qwilleran is assigned to the art world as his new news beat. When a murderer sicks a knife in the neck of a local gallery owner and goes berserk among the works on show, Qwilleran gets help from his Siamese cat solving the mystery.

A former reporter solves crimes with the help of his cats. They believe the death of a leading Junktown citizen is no accident.