It’s always a treat to spend time with Billy Boyle, and A Bitter Wind, the 20th in the series, just might be my new favorite. This one takes Billy from the RAF Hawkinge and the top-secret Operation Corona in Kent to war-ravaged Yugoslavia in order to find the answers surrounding the deaths of two men. Benn is a master at mixing WWII facts and fiction, and the action never stops. While the series is probably best appreciated when read in order, each book offers enough background to make it work as a stand-alone. In any case, don’t miss #20!