Here's one for anyone who liked Quantum Cats/Alternities-
All These Earths by F M Busby
Also, interesting little fact. Everett, who first came up with the multiverse theory in the physics world, was the father of E, the creative force behind the band The Eels. E did an intimate show at a now-defunct dinner theater where he combined video with the music to show a story of his early life-and the way it might have gone if his father wasn't a bitter, withdrawn and cold man. Everett had died fairly young, in his early 50s, and E commented that finding his body on the bedroom floor and picking his father up to lay him out on the bed was the first time he could remember touching his dad.