What Happened at MidnightBook - 1995
Frank and Joe Hardy receive an unusual assignment from their detective father. They are to "break into" the house of a Bayport neighbor, Malcolm Wright and retrieve a top-secret invention that the scientist had hidden in his study before leaving for California. The invention is in danger of being stolen and the boys race against time to beat the thieves at their own game.
Publisher: New York : Grosset & Dunlap, 1995, 1967
Characteristics: 173 p. : ill. ; 19 cm