The Cat Who Went UndergroundBy: Lilian Jackson Braun Series: Cat Who In this delightful Cat Who mystery, Jim Qwilleran packs up his two Siamese cats, Koko and Yum Yum, for a summer of fun at his log cabin and finds himself on a trip headed straight for trouble The trios vacation in Moose County starts out ominously with the disappearance of a handyman hired to patch up Qwilleran's cabin. But the felines really start throwing catfits when they come across a dead body or two A