Edith Pargeter, who goes by the pen name of Ellis Peters, is best known for her medieval mystery series the "Chronicles of Brother Cadfael," but she has also written a series of 20th century mysteries concerning the brilliant detective George Felse. This is the first entry in the series, an intricately plotted whodunit set in 1950s England, where Felse must track down the murderer of a former German prisoner of war. Followed by 13 other Felse mysteries.  (GBR167, $6.99)