Skippyjon the cat does an exercise routine featuring items of various shapes.

Skippyjon Jones, a Siamese kitten who thinks he's a Chihuahua, demonstrates opposite concepts, such as up and down.

A siamese cat helps an FBI agent solve a kidnapping.

Skippyjon Jones, the Siamese cat that wants to be a Chihuahua dog, goes hunting for dinosaurs.

When a visiting estate jeweler is found dead, prizewinning reporter Jim Qwilleran and his Siamese cats, Koko and Yum Yum, must do their best to find the purr-petrator in this delightful novel in the New York Times bestselling Cat Who series.
As the Highland Games approach, Jim Qwilleran and the citizens of Pickax, Michigan, prepare to celebrate their Scottish heritage with such evens as bagpipe skirling and tossing the caber. But...

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...

Jim Qwilleran and his cats Koko and Yum Yum try to solve a haunting mystery in a historic farmhouse in this New York Times bestseller in the Cat Who series.
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...