Ordered by Henry II to establish the possible role of Eleanor of Aquitaine in the poisoning death of Henry's mistress, a reluctant Adelia Aguilar joins forces with her infant daughter's father, the Bishop of St. Albans, during an investigation within the labyrinth-walled tower of the victim's home.

The mutilated body of a notorious underworld figure leads forensic pathologist Dr. Jack Stapleton to a mysterious group in Africa that uses state-of-the-art medical technology for sinister purposes.

Forensic pathologist Grace Reilly has seen her share of unusual deaths in rural Missouri. But when she begins to notice a curious pattern in autopsies of elderly residents whose demise appears to be natural, she takes her concerns to Sheriff Nate Cox. Nate is skeptical about the link Grace is seeing between the deaths--and her suspicions of foul play. But her persistence is compelling. Once she finally convinces him her theory is credible and they...

Sent to medieval Cambridge in order to exonerate Jewish prisoners who have been accused of murdering four children, University of Salerno medical expert Adelia discovers that the killer may be a former crusader.