12 authors

Denmark: Jussi Adler-Olsen
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Denmark: Sara Blaedel
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Denmark: Leif Davidsen
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Denmark: Agnete Friis
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Denmark: Peter Hoeg
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Denmark: Lene Kaaberbol
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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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Search Bookmooch (international book exchange site) for tha authors listed:
Jussi Adler-Olsen   Sara Blaedel   Leif Davidsen   Agnete Friis   Peter Hoeg   Lene Kaaberbol   Robert Greer   Loren D. Estleman   George Pelecanos   John Brady   Bartholomew Gill   Gene Kerrigan