Poison Letters of Ashford Hall:She came to study the dead. She did not expect the living to be more dangerous.

She came to Ashford Hall to find a manuscript that should not exist.Mira Cole has spent seven years following a trail that every published account says leads nowhere. The Hartmann letters, a collection of fifteenth-century alchemical manuscripts describing a compound called Patient Ink, an ink that encodes hidden messages within ordinary text, were declared destroyed in a fire in 1891. Mira does n...