The Opening Door

A red STICKINESS, partly coagulated, on the hand of a child of five...

A BROWN STAIN carried to a hall carpet from a pool of blood under a dead woman in a park...

A three-cornered FRAGMENT torn from a photograph...

A GOLF BAG carried up fire escapes and over roofs in December...

A MORPHINE COCKTAIL which shows murder can be anybody's game...

A pair of practically new OXFORDS reposing in the brook...

A CHEST containing a handful of yellow CLOTH and pink STONES which Charlotte took from the bank the day before she died...

A DIRTY PINK BEAD for which Susan searched her house inch by inch...

An open CISTERN in a third-floor tank room beside which lies one white SLIPPER...

A TINY SHRED of GREEN STUFF, invisible to the naked eye....