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Cassandra Clark, Hangman Blind (2008), about a abbess in the aftermath of Wat Tyler's rebellion who sets out in search of a location for her religious establishment and comes across a group of corpses at a gibbet and a mystery that follows her back to her patron's castle; #1 in the Abbess of Meaux mystery series.
Cassandra Clark, The Red Velvet Turnshoe (2009), about an English abbess who travels to Italy on a mission to find a holy relic and along the way must investigate the murder of a clerk whose body is found in a shipment of wool; #2 in the Abbess of Meaux mystery series.
Cassandra Clark, The Law of Angels (2011), about an abbess who discovers that a young woman who has taken shelter as a guest in her community is being stalked by men who murdered her family; #3 in the Abbess of Meaux mystery series.
Cassandra Clark, A Parliament of Spies (2012), about an abbess whose archbishop brings her to London with him to serve as his spy at a parliament during King Richard II's reign; #4 in the Abbess of Meaux mystery series.
Alfredo Colitto, Inquisition (2011), about an anatomist at a university in fourteenth-century Italy investigating why the heart in a Templar knight's corpse has become an iron block.
Ann Dukthas, A Time for the Death of a King (1994), a time-traveling French Jesuit scholar investigates the murder of Lord Darnley, the second husband of Mary, Queen of Scots, in 1567 Edinburgh; #1 in the Nicholas Segalla mystery series; Ann Dukthas is a pen name of P.C. (Paul) Doherty.
Umberto Eco, The Name of the Rose (Italian edition 1980, English translation 1983), a literary murder mystery set in a monastery in fourteenth-century Italy during the time of the Inquisition.
David Hillier, Fire and Shadow (1996), about a twelfth-century woman who travels to Jerusalem during the Third Crusade to learn more about the mysterious pendant that may be connected to her parents' murder.
Catherine Jinks, The Inquisitor (1999), a stand-alone mystery novel about an inquisitor investigating the murder of his superior in fourteenth-century France.
Catherine Jinks, The Notary (2000), a stand-alone mystery novel about a notary hired to help an inquisitor investigate a grisly murder in fourteenth-century France.
Catherine Jinks, The Secret Familiar (2006), a stand-alone mystery novel about a former inquisitor's spy in fourteenth-century France who must return to his old work to investigate what happened to another spy for the Inquisition; not readily available outside Australasia.
Giulio Leoni, The Mosaic Crimes (titled The Third Heaven Conspiracy in the U.K.), the future author Dante Alighieri investigates a murder in medieval Florence.
Giulio Leoni, The Kingdom of Light (2009), a mystery featuring Dante doing some sleuthing on the side as he writes The Divine Comedy, when a galley with a dead crew lands in Florence with a damaged mechanical object on board.
Giulio Leoni, The Third Heaven Conspiracy (2011), a mystery featuring Florentine poet Dante Alighieri investigating the murder of a mosaic artist in a disused church; #3 in the Dante Alighieri mystery series.
Giulio Leoni, The Crusade of Darkness (2011), a mystery featuring Florentine poet and government official Dante Alighieri investigating a series of ritual murders after he is sent to Rome in 1301 to meet with the Pope; #4 in the Dante Alighieri mystery series.
James Patterson and Andrew Gross, The Jester (2003), about a man who returns from the Crusades to find his young son killed, his wife kidnapped, and his French village in ruins.
Caroline Roe, Remedy for Treason (1998), a blind Jewish physician in fourteenth-century Spain discovers that not all deaths in the midst of a plague outbreak were caused by the disease; #1 in the Isaac of Girona series.
Caroline Roe, Cure for a Charlatan (1999), a blind Jewish physician in fourteenth-century Spain must find the real cause behind a series of deaths to calm an outbreak of hysteria among townfolk who suspect witchcraft; #2 in the Isaac of Girona series.
Caroline Roe, Antidote for Avarice (1999), a blind Jewish physician who accompanies a bishop to a religious council turns sleuth to find out why so many messengers from the pope are dying; #3 in the Isaac of Girona series.
Caroline Roe, Solace for a Sinner (2000), a blind Jewish physician in fourteenth-century Spain investigates murder as rumors about the Holy Grail stir up religious fervor; #4 in the Isaac of Girona series.
Caroline Roe, Potion for a Widow (2001), a blind Jewish physician in fourteenth-century Spain investigate the murder of a clerk; #5 in the Isaac of Girona series.
Caroline Roe, A Draught for a Dead Man (2002), a blind Jewish physician travels to Catalonia for a wedding and finds himself in the midst of a risky plot to hide an escaped Christian convict in a Jewish ghetto where it's illegal for him to reside; #6 in the Isaac of Girona series.
Caroline Roe, A Poultice for a Healer (2003), a blind Jewish physician in medieval Spain investigates the poisoning death of a messenger who brings alarming news; #7 in the Isaac of Girona series.
Caroline Roe, Consolation for an Exile (2004), a blind Jewish physician in medieval Spain investigates a perplexing case of poisoning; #8 in the Isaac of Girona series.
James Runcie, The Colour of Heaven (2003), about a thirteenth-century Venetian glass-maker's wife and the abandoned child she takes in and raises.