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192 pages, Paperback
First published January 1, 1961
”As was observed by your greatest human detective, who curiously had many robot traits,” [Zane] said without looking up from his book, “it is a capital mistake to theorize without sufficient data.”
Gaspard frowned, “Greatest human detective?”
“Sherlock Holmes, to be sure,” Zane said impatiently.
“Never heard of him,” said Gaspard, “Was he a policeman, a private hand, or a professor of criminology? Or did he succeed Herbert Hoover as head of the F.B.I.?”