THE CONCORDANCES OF THE RED SERPENT by WILLIAM MEIKLE
Patty Doyle holds the secret to eternal life, but it may only bring her an early death.
Patty is working on a journal of a 14th Century alchemist. But after mentioning it in her blog she gets to the office to find everyone brutally murdered. Now she's on the run pursued by a killer who wants the secret of eternal life it contains.
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