Back cover states:
'OF THESE HIRED KILLERS ONE WAS A TRAITOR . . WHICH?
HAL BRETT . . . Dark, handsome, poised and without a scruple. He chose the most dangerous course in what was a fantastic plan . . .
LANA FAIRLEY . . . Blonde and lovely, she was dedicated to bringing justice to one man - and no man could satisfy her need till that was done . . .
DAVID CONWAY . . . his had been a life of danger until he met the Committee of Seven - and Lana. Only then did he fully learn how dangerous it was to be HIRED TO KILL . . .
This is their story as told to . . .
JOHN LAFFIN. Journalist, lecturer, ex-Commando. Has visited 32 countries and is at present somewhere in Europe adding to the number. Stories have been published in 14 countries and in five languages. Gets story material on the spot. Expert pistol or rifle, judo, knife throwing. Hobbies: finding the unusual to write about. Age: no barrier'.
Sydney : Horwitz , 1957