8 authors
Denmark: Leif Davidsen
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Denmark: Peter Hoeg
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Denver: Robert Greer
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Detroit: Loren D. Estleman
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District of Columbia: George Pelecanos
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Dublin: John Brady
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Dublin: Bartholomew Gill
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Dublin: Gene Kerrigan
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Peter Hoeg
Robert Greer
Loren D. Estleman
George Pelecanos
John Brady
Bartholomew Gill
Gene Kerrigan 
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Leif Davidsen Peter Hoeg Robert Greer Loren D. Estleman George Pelecanos John Brady Bartholomew Gill Gene Kerrigan