The Canterbury Papers (was entitled Lost Letters of Aquitaine)

The only thing I felt was a strong hand around my neck, another around my waist, and -- before I could cry out -- I smelled the thick, sweet scent of a mandrake-soaked cloth. Unforgiving hands clapped it against my face, and all went dark.Alais, the king of France's sister, is abducted while on her mission for the wily Eleanor of Aquitaine, the former Queen of England, to retrieve hidden letters that, in the wrong hands, could bring down the English king. In exchange, the French princess was to receive long-heldand dangerous information. Now Alais, along with help from the very intriguing leader of the Knights Templar, must unravel a tangled web of family secrets and lies.Filled with intrigue and peopled with compelling legendary figures, The Canterbury Papers is an "electrifying journey into the past" (Booklist).