<p><i><b>Mysticism, angels, evil spirits: Harvard Professor Cal Donovan investigates a scrying stone linked to the death of his parents.</b></i><br><br><i>Algosh, Iraq, 1989.</i> During an archaeological excavation Hiram Donovan uncovers a piece of meticulously knapped obsidian. Instinct tells him to hide it from others on the dig, so he sends it back to his wife in America with a note: John Dee, British Museum/Scrying stone? Days later Hiram is murdered with it made to look like an accident. But there was a witness. <br><br>Decades later, on his death bed, the witness confesses to what he saw. Shortly afterwards, Cal Donovan - Professor of Archaeology at Harvard and Hiram''s son - is told his mother has been killed. Upon finding the parcel still unopened alongside his father''s mysterious note referencing Queen Elizabeth''s astrologer and alchemist, Cal sets out to discover the truth. <br><br>What he finds are fanatics determined to obtain the mystical stone, but for what purpose...?<