3 Books in The Cat Who series by Lilian Jackson Braun
 
Titles Included in this set are:
- The Cat Who Played Post Office (1987)
- The Cat Who Knew Shakespeare (1988)
- The Cat Who Knew a Cardinal (1992)
 
The Cat Who Played Post Office (book 6): After inheriting a grand estate in Moose County, Jim Qwilleran and his sharp-witted Siamese cats, Koko and Yum Yum, move into their new home. They soon find themselves unraveling the mystery of the missing housekeeper, with Koko's curious behavior offering unexpected clues along the way.
 
The Cat Who Knew Shakespeare (book 7): Jim Qwilleran, accompanied by his clever Siamese cats, Koko and Yum Yum, investigates a puzzling car accident that claims the life of the local newspaper publisher. With Koko's uncanny abilities, they delve into the town's hidden scandals, revealing a surprising Shakespearean twist.
 
The Cat Who Knew a Cardinal (book 12): In the peaceful town of Pickax, Jim Qwilleran and his perceptive Siamese cats, Koko and Yum Yum, find themselves entangled in the mysterious death of a high school principal. As they navigate through the community's secrets, Koko's extraordinary intuition leads them closer to uncovering the truth.
 
These copies are in Very Good condition, minor shelf wear.