The Secret Agent on Flight 101

The Hardy Boys Mystery Stories

Rarely do magicians reveal their professional secrets. Consequently Frank and Joe Hardy are amazed when a well-known magician, the Incredible Hexton, offers to reveal the secret of his “Vanishing Man Act” and invited Mr. Hardy to be the subject. When their detective father fails to reappear, his sons are convinced that something sinister is afoot, despite Hexton’s insistence that Mr. Hardy is playing a joke on them. While desperately searching for their father, Frank and Joe find themselves working with SKOOL, a U.S. organization of secret agents pitted against UGLI, an international ring of spies stealing government secrets domestically and internationally. The young detective’s gripping adventures culminate in a dramatic climax when they unmask the secret agent on Flight 101.

Part of the series The Hardy Boys Mystery Stories

Booko found 7 book editions

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Jun, 1993
New: $230.17

Used: $17.12
Jul, 1981

Used: $12.33
Nov, 1975
New: $163.11

Used: $35.41
May, 1973

Used: $25.01
Jan, 1967
New: $8.99

Jan, 1967
New: $22.54

Used: $22.02

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