Virgil Flowers is to Lucas Davenport as Joe Pike is to Elvis Cole, or as Clete Purcell is to Dave Robicheaux, or as Hawk is to Spenser. If that makes sense, you have likely read novels by Robert Crais (Pike/Cole) or James Lee Burke (Purcell/Robicheaux) as well as by John Sandford, for whom Lucas Davenport …