Trying to decipher an ancient text that weaves a mathematical labyrinth within a love story, two researchers obtain a diary that may contain the key to the code, but when a fellow researcher is killed, they realize that the book contains a dangerous secret.
In the Sinai Desert, archaeologist Catherine Alexander has unearthed six ancient papyrus scrolls that reveal vital secrets. In a race against Armageddon, Catherine must outwit the FBI, Vatican operatives, and a sinister millionaire to find the missing seventh parchment.
Holy relics are disappearing from sacred spots around the world—and the Vatican will do whatever it takes to stop the thieves from stealing what is left. Paleographer Dr. Ottavia Salina is called to decipher the scars found on an Ethiopian man's corpse: seven crosses and seven Greek letters.
Forensics professor Gideon Oliver's supposedly peaceful research jaunt down the Amazon turns deadly when one of his fellow scientists is killed by a deranged passenger who then leaps overboard in the darkness.
Botanist and sleuth Peter Shandy discovers deception during a field trip, when a man is poisoned and the locals seek out the murderer--to give proper thanks.
Catherine Velis is a computer expert with a flair for music, painting, and chess who, on her way to Algeria for work, is invited to take a mysterious moonlighting assignment: recover the pieces of an old chess set missing for centuries.
A New England college professor helping police investigate two deaths on campus suspects that a letter written by Emily Dickinson may be at the root of the mystery. First in a series.
On sabbatical in Venice, Professor Homer Kelly finds bliss at a rare-books conference while his wife, Mary, plays tourist. Elsewhere, hidden treasures lead to a vicious killing. Mary snaps a picture of the extremely handsome murderer and holy artifacts begin to disappear as the acqua alta rises with the body count.
When an offensive Victorian literature professor is murdered, private investigator Estelle "Woody" Woodhaven enlists the assistance of academic sleuth Kate Fansler.
Grace Carpentier, formidable French teacher at Miss Merritt’s exclusive school, finds herself at the center of a murder investigation when another teacher who has unwittingly borrowed her distinctive black cape garment is murdered on the grounds in what is surely a case of mistaken identity. Or is it?
World War II cryptanalyst and his morphine-addicted partner are part of Detachment 2702, an Allied group trying to break Axis communication codes while simultaneously preventing the enemy from figuring out that their codes have been broken. Their job boils down to layer upon layer of deception.
Discovering a medieval book and a cache of letters, a motherless American girl becomes the latest in a series of historians, including her late father, who investigate the possible surviving legacy of Vlad the Impaler.
Receiving a mysterious box from her eccentric mentor, who claims it contains a newly found work by Shakespeare, theater director and scholar Kate Stanley is horrified when her theater is burned to the ground and her mentor killed.