Smoke and mirrors: short fictions and illusions. Neil Gaiman. 1999.

In Gaiman’s richly imagined fictions, anything is possible - an elderly widow finds the Holy Grail beneath an old fur coat in a second-hand store; under a bridge, a frightened little boy bargains for his life with a very persistent troll; a stray cat fights and refights a terrible nightly battle to protect his unsuspecting adoptive family from unimaginable evil……