The brand-new Bill Slider Mystery - Bank Holiday Monday, and beautiful Zellah Wilding - straight-A student, prefect, future Head Girl - lies dead near the famous Wormwood Scrubs prison in London. What was this good Christian girl doing out there, dressed to kill, when she was supposed to be at a sleep-over with schoolfriends? A secret boyfriend from a run-down estate and a recently-released rapist look tasty; or could the nearby fairground or prison have something to do with it?