Too many murderers. White Priory was a beautiful old mansion outside London. Its owner,
 a playwright, had invited some people down to discuss his new play, among other
 things…But someone had come not to talk, but to kill. When Scotland Yard joined the
 houseparty, everyone started to talk, but all they did was accuse each other of 
murder — and all their accounts seemed equally plausible. It was a case for Sir Henry.
 Only Merrivale could sort out the suspects and mark the murderer before he killed again…
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