Ladies Won't Wait
Ladies Won't Wait is a 1951 spy thriller novel by the British writer Peter Cheyney. It is a sequel to the 1945 novel Sinister Errand and portrays the continued adventures of Michael Kells, a half-American, half-British secret agent. It was published in the United States under the alternative title Cocktails and the Killer. Synopsis
In France while waiting for his next mission, Kells encounters an attractive fellow agent who, not long after using the code phrase "ladies won't wait" is found dead. This puts him on the trail of an East German scientist attempting to defect to the West and a ruthless Soviet female agent determined to stop him at all costs. References

Bibliography
 Panek, LeRoy. The Special Branch: The British Spy Novel, 1890-1980. Popular Press, 1981. Reilly, John M. Twentieth Century Crime & Mystery Writers. Springer, 2015. 1951 British novels
Novels by Peter Cheyney
British thriller novels
British spy novels
Novels set in France
William Collins, Sons books