Jim Qwilleran and his cats, Koko and Yum Yum, have a close encounter with a killer in this mystery in the bestselling Cat Who series.
UFOs in Mooseville? Rumors abound that a missing backpacker has been abducted, and it looks like Jim Qwilleran’s sedate summer may be interrupted by an investigation—with the help of his own little aliens, Koko and Yum Yum. And when the backpacker’s body turns up—and transplanted Floridian...

Siamese cat Koko finds a bunch of clues when an out-of-town actor dies mysteriously in this mystery in the New York Times bestselling Cat Who series.
With the opening night of Oscar Wilde’s The Importance of Being Earnest fast approaching—along with the dedication of the new bookstore in town—good times are ahead for the citizens of Pickax. But the merry atmosphere is dampened by the suspicious...

When Mrs. Cobb heard unearthly noises in the antique-filled farmhouse, she called Jim Qwilleran for help. But he was too late. It looked as if his kindly ex-housekeeper had been frightened to death--but by whom? Or what? Now Qwilleran's moved into the historic farmhouse with his two cat companions--and Koko the Siamese is spooked. Is it a figment of feline imagination--or the clue to a murder in Moose County? And does Qwilleran have a ghost of a chance...

While Moose County is in an uproar over a string of lucrative inheritances, Polly departs for Paris, Koko the irrepressible Siamese meets a piano tuner, Qwill writes a play, and a mysterious bee sting-related death occurs.

Journalist Jim Qwilleran and his feline companion Koko begin their investigative career when Jim finds murder and mischief while covering the art beat for the Daily Fluxion.

Documents the development of a gorilla named Koko, whose learning of American Sign Language and understanding of spoken English, working with Dr. Penny Patterson, gives new meaning to the ideas of animal intelligence and interspecies communication.