The Shadow Killers
Frank and Joe take up karate and are plunged into a deadly mystery of the Orient. Local karate tournaments are being threatened, and the boys connect the cases to an armory robbery investigation their father is conducting.
Readers also enjoyed
More by Franklin W. Dixon
The Tower Treasure
The Secret of the Old Mill
The Crisscross Shadow
Hunting for Hidden Gold
The House on the Cliff
Shore Road Mystery
Hardy Boys (The Hardy Boys)
While the Clock Ticked (Hardy Boys, Book 11)
Missing Chums
The Great Airport Mystery (Hardy Boys, Book 9)
The mystery of Cabin Island
DEAD ON TARGET (HB #1)