The Attenbury Emeralds

In Lord Peter Wimsey and Harriet Vane, Dorothy Sayers created a sleuthing twosome for the ages. Jill Paton Walsh's third Sayers-inspired novel is a deftly executed tale in which the couple, now happily married, find all sorts of challenges to occupy themselves in post-WWII Britain, including an old case of Lord Peter's that just won't die.

July 24: On this day in 1725 John Newton, the slave trader-preacher who wrote the hymn "Amazing Grace," was born.

Crime fiction legends Dennis Lehane and Michael Connelly discuss the new book that unites their beloved sleuths Patrick Kenzie and Harry Bosch.