num_pages: 160
description: While investigating threats against munerous local karate champs, Frank and Joe discover links to a theft at an armory, and the two are soon facing the Japanese underworld and ninja masters.
language: English
title: The Shadow Killers
titlecomplete: The Shadow Killers (Hardy Boys, #92)
genres: Young Adult, Classics, Mystery
ratings_count: 180
series: The Hardy Boys
publisher: Aladdin