If these walls could talk . . .

'Intricate murder mystery... gripping.' WOMAN

'A compelling who, how and why dunnit.' THE SUN

'A gripping murder mystery.' WOMAN'S WEEKLY

'A novel that has the deliciously febrile atmosphere of a silent film.' THE SUNDAY TIMES

'Spookily atmospheric, a page-turner murder mystery.' CHOICE MAGAZINE

'The Thirty-One Doors is a novel for those who miss the Golden Age crossword-puzzle-type crime fiction.' LITERARY REVIEW

Scarpside House is famed for its beauty, its isolation, and its legendary parties.

Tonight, it hosts the Penny Club soiree. An annual gathering of lucky men and women from all walks of life, coming together to celebrate their survival against the odds.

But this year their luck is running thin.

Accidents do happen, after all . . .

And some are long overdue . . .