"Mystery fiction." . . . . . "13 [Thirteen] for luck" . . . . . "13 is for luck"@en . "13 for luck" . . "13 for luck"@en . . "Thirteen for luck" . . . . . "Thirteen for luck"@en . . . "Mystery fiction"@en . . "Thirteen for luck"@en . "Thirteen for luck" . . "13 for Luck"@ca . . . . . "Thirteen stoires about six of the author's detectives."@en . . .