The cat who lived high - Braun, Lilian Jackson (Putnam, 1990)
Keywords: Qwilleran; Jim (Fictitious character); Yum Yum (Fictitious character : Braun); Koko (Fictitious character); City and town life; Apartment houses; Antique dealers; Millionaires; Siamese cat; Cat owners; Cats; Detective and mystery stories