He smiled as he pictured the consternation of the detectives upon discovering that once more the Gray Phantom had lived up to his name and achieved another of the amazing escapes that had made him feared and secretly admired by the keenest sleuths in the country.
"The Gray Phantom's Return"
Herman Landon
You must find her, do you hear, you must find her if it takes all the sleuths in the country.
"The Lion and the Mouse A Story of an American Life"
Charles Klein
Too many were the stories he had heard from fellow prisoners at Ukalla, who had tried honestly to take up some definite occupation after leaving jail, only to be hounded from position to position by these interfering sleuths who fancied it their duty to inform the erstwhile employer that the man who was working for him was an ex-jailbird and consequently should have a keen eye kept on him for a while.
"The Spoilers of the Valley"
Robert Watson