The Shadow Killers (1988)
by Franklin W. Dixon
(#92 in The Hardy Boys)

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.

Pages:

154

Published:

1988

Genres:

Mystery Young Adult Classics

ISBN:

0671663097

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The Hardy Boys series
(190 books)

The Tower Treasure — #1 The Tower Treasure (1927)

The House on the Cliff — #2 The House on the Cliff (1927)

The Secret of the Old Mill — #3 The Secret of the Old Mill (1927)

The Missing Chums — #4 The Missing Chums (1928)

Hunting for Hidden Gold — #5 Hunting for Hidden Gold (1928)

The Shore Road Mystery — #6 The Shore Road Mystery (1928)

The Secret of the Caves — #7 The Secret of the Caves (1929)

The Mystery of Cabin Island — #8 The Mystery of Cabin Island (1929)

The Great Airport Mystery — #9 The Great Airport Mystery (1930)

What Happened at Midnight — #10 What Happened at Midnight (1931)

While the Clock Ticked — #11 While the Clock Ticked (1932)

Footprints Under the Window — #12 Footprints Under the Window (1933)

The Mark on the Door — #13 The Mark on the Door (1934)

The Hidden Harbor Mystery — #14 The Hidden Harbor Mystery (1935)

The Sinister Sign Post — #15 The Sinister Sign Post (1936)

A Figure in Hiding — #16 A Figure in Hiding (1937)

The Secret Warning — #17 The Secret Warning (1938)

The Twisted Claw — #18 The Twisted Claw (1939)

The Disappearing Floor — #19 The Disappearing Floor (1940)

Mystery of the Flying Express — #20 Mystery of the Flying Express (1941)

The Clue of the Broken Blade — #21 The Clue of the Broken Blade (1942)

The Flickering Torch Mystery — #22 The Flickering Torch Mystery (1943)

The Melted Coins — #23 The Melted Coins (1944)

The Short-Wave Mystery — #24 The Short-Wave Mystery (1945)

The Secret Panel — #25 The Secret Panel (1946)

The Phantom Freighter — #26 The Phantom Freighter (1947)

The Secret of Skull Mountain — #27 The Secret of Skull Mountain (1948)

The Sign of the Crooked Arrow — #28 The Sign of the Crooked Arrow (1949)

The Secret of the Lost Tunnel — #29 The Secret of the Lost Tunnel (1950)

The Wailing Siren Mystery — #30 The Wailing Siren Mystery (1951)

The Secret of Wildcat Swamp — #31 The Secret of Wildcat Swamp (1952)

The Crisscross Shadow — #32 The Crisscross Shadow (1953)

The Yellow Feather Mystery — #33 The Yellow Feather Mystery (1953)

The Hooded Hawk Mystery — #34 The Hooded Hawk Mystery (1954)

The Clue in the Embers — #35 The Clue in the Embers (1955)

The Secret of Pirates' Hill — #36 The Secret of Pirates' Hill (1956)

The Ghost at Skeleton Rock — #37 The Ghost at Skeleton Rock (1957)

Mystery at Devil's Paw — #38 Mystery at Devil's Paw (1959)

The Mystery of the Chinese Junk — #39 The Mystery of the Chinese Junk (1959)

Mystery of the Desert Giant — #40 Mystery of the Desert Giant (1960)

The Clue of the Screeching Owl — #41 The Clue of the Screeching Owl (1962)

The Viking Symbol Mystery — #42 The Viking Symbol Mystery (1962)

The Mystery of the Aztec Warrior — #43 The Mystery of the Aztec Warrior (1964)

The Haunted Fort — #44 The Haunted Fort (1964)

The Mystery of the Spiral Bridge — #45 The Mystery of the Spiral Bridge (1965)

The Secret Agent on Flight 101 — #46 The Secret Agent on Flight 101 (1967)

Mystery of the Whale Tattoo — #47 Mystery of the Whale Tattoo (1967)

The Arctic Patrol Mystery — #48 The Arctic Patrol Mystery (1969)

The Bombay Boomerang — #49 The Bombay Boomerang (1970)

Danger on Vampire Trail — #50 Danger on Vampire Trail (1971)

The Masked Monkey — #51 The Masked Monkey (1972)

The Shattered Helmet — #52 The Shattered Helmet (1973)

The Clue of the Hissing Serpent — #53 The Clue of the Hissing Serpent (1974)

The Mysterious Caravan — #54 The Mysterious Caravan (1975)

The Witchmaster's Key — #55 The Witchmaster's Key (1975)

The Jungle Pyramid — #56 The Jungle Pyramid (1976)

The Firebird Rocket — #57 The Firebird Rocket (1978)

The Sting of the Scorpion — #58 The Sting of the Scorpion (1978)

Night of the Werewolf — #59 Night of the Werewolf (2005)

Mystery of the Samurai Sword — #60 Mystery of the Samurai Sword (1979)

The Pentagon Spy — #61 The Pentagon Spy (1980)

The Apeman's Secret — #62 The Apeman's Secret (1980)

The Mummy Case — #63 The Mummy Case (1980)

Mystery of Smugglers Cove — #64 Mystery of Smugglers Cove (2005)

The Stone Idol — #65 The Stone Idol (1981)

The Vanishing Thieves — #66 The Vanishing Thieves (1980)

The Outlaw's Silver — #67 The Outlaw's Silver (1981)

The Submarine Caper — #68 The Submarine Caper (1981)

The Four-Headed Dragon — #69 The Four-Headed Dragon (1981)

The Infinity Clue — #70 The Infinity Clue (1981)

Track of the Zombie — #71 Track of the Zombie (1982)

The Voodoo Plot — #72 The Voodoo Plot (1982)

The Billion Dollar Ransom — #73 The Billion Dollar Ransom (1982)

Tic-Tac-Terror — #74 Tic-Tac-Terror (1984)

Trapped at Sea — #75 Trapped at Sea (1982)

Game Plan for Disaster — #76 Game Plan for Disaster (1982)

The Crimson Flame — #77 The Crimson Flame (1981)

Cave-In — #78 Cave-In (1983)

Sky Sabotage — #79 Sky Sabotage (1983)

The Roaring River Mystery — #80 The Roaring River Mystery (1984)

The Demon's Den — #81 The Demon's Den (1984)

The Blackwing Puzzle — #82 The Blackwing Puzzle (1984)

The Swamp Monster — #83 The Swamp Monster (1985)

Revenge of the Desert Phantom — #84 Revenge of the Desert Phantom (1985)

The Skyfire Puzzle — #85 The Skyfire Puzzle (1985)

The Mystery of the Silver Star — #86 The Mystery of the Silver Star (1987)

Program for Destruction — #87 Program for Destruction (1987)

Tricky Business — #88 Tricky Business (1988)

Sky Blue Frame — #89 Sky Blue Frame (1988)

Danger on the Diamond — #90 Danger on the Diamond (1993)

Shield of Fear — #91 Shield of Fear (1988)

The Shadow Killers — #92 The Shadow Killers (1988)

The Serpent's Tooth Mystery — #93 The Serpent's Tooth Mystery (1988)

Breakdown in Axeblade — #94 Breakdown in Axeblade (1989)

Danger on the Air — #95 Danger on the Air (1989)

Wipeout — #96 Wipeout (1989)

Cast of Criminals — #97 Cast of Criminals (1989)

Spark of Suspicion — #98 Spark of Suspicion (1993)

Dungeon of Doom — #99 Dungeon of Doom (1989)

The Secret of the Island Treasure — #100 The Secret of the Island Treasure (1990)

The Money Hunt — #101 The Money Hunt (1990)

Terminal Shock — #102 Terminal Shock (1990)

The Million Dollar Nightmare — #103 The Million Dollar Nightmare (1990)

Tricks of the Trade — #104 Tricks of the Trade (1990)

Smoke Screen Mystery — #105 Smoke Screen Mystery (1990)

Attack of the Video Villains — #106 Attack of the Video Villains (1991)

Panic on Gull Island — #107 Panic on Gull Island (1991)

Fear on Wheels — #108 Fear on Wheels (1991)

The Prime-Time Crime — #109 The Prime-Time Crime (1991)

The Secret of Sigma Seven — #110 The Secret of Sigma Seven (1991)

Three-Ring Terror — #111 Three-Ring Terror (1991)

Demolition Mission — #112 Demolition Mission (1992)

Radical Moves — #113 Radical Moves (1992)

The Case of the Counterfeit Criminals — #114 The Case of the Counterfeit Criminals (1992)

Sabotage at Sports City — #115 Sabotage at Sports City (1992)

Rock 'N' Roll Renegades — #116 Rock 'N' Roll Renegades (1992)

The Baseball Card Conspiracy — #117 The Baseball Card Conspiracy (1992)

Danger in the Fourth Dimension — #118 Danger in the Fourth Dimension (1993)

Trouble at Coyote Canyon — #119 Trouble at Coyote Canyon (1993)

The Case of the Cosmic Kidnapping — #120 The Case of the Cosmic Kidnapping (1993)

The Mystery in the Old Mine — #121 The Mystery in the Old Mine (1993)

Carnival of Crime — #122 Carnival of Crime (1993)

Robot's Revenge — #123 Robot's Revenge (1993)

Mystery with a Dangerous Beat — #124 Mystery with a Dangerous Beat (1994)

Mystery on Makatunk Island — #125 Mystery on Makatunk Island (1994)

Racing to Disaster — #126 Racing to Disaster (1994)

Reel Thrills — #127 Reel Thrills (1994)

Day of the Dinosaur — #128 Day of the Dinosaur (1994)

The Treasure at Dolphin Bay — #129 The Treasure at Dolphin Bay (1994)

Sidetracked To Danger — #130 Sidetracked To Danger (1995)

Crusade of the Flaming Sword — #131 Crusade of the Flaming Sword (1995)

Maximum Challenge — #132 Maximum Challenge (1995)

Crime in the Kennel — #133 Crime in the Kennel (1995)

Cross-Country Crime — #134 Cross-Country Crime (1995)

The Hypersonic Secret — #135 The Hypersonic Secret (1995)

The Cold Cash Caper — #136 The Cold Cash Caper (1996)

High Speed Showdown — #137 High Speed Showdown (1996)

The Alaskan Adventure — #138 The Alaskan Adventure (1996)

The Search for the Snow Leopard — #139 The Search for the Snow Leopard (1996)

Slam Dunk Sabotage — #140 Slam Dunk Sabotage (1996)

The Desert Thieves — #141 The Desert Thieves (1996)

Lost in Gator Swamp — #142 Lost in Gator Swamp (1997)

The Giant Rat of Sumatra — #143 The Giant Rat of Sumatra (1997)

The Secret of Skeleton Reef — #144 The Secret of Skeleton Reef (1997)

Terror at High Tide — #145 Terror at High Tide (1997)

The Mark of the Blue Tattoo — #146 The Mark of the Blue Tattoo (1997)

Trial and Terror — #147 Trial and Terror (1997)

The Ice Cold Case — #148 The Ice Cold Case (1998)

The Chase for the Mystery Twister — #149 The Chase for the Mystery Twister (1998)

The Crisscross Crime — #150 The Crisscross Crime (1998)

The Rocky Road to Revenge — #151 The Rocky Road to Revenge (1998)

Danger in the Extreme — #152 Danger in the Extreme (1998)

Eye on Crime — #153 Eye on Crime (1998)

The Caribbean Cruise Caper — #154 The Caribbean Cruise Caper (1999)

The Hunt for the Four Brothers — #155 The Hunt for the Four Brothers (1999)

A Will to Survive — #156 A Will to Survive (1999)

The Lure of the Italian Treasure — #157 The Lure of the Italian Treasure (1999)

The London Deception — #158 The London Deception (1999)

Daredevils — #159 Daredevils (2000)

A Game Called Chaos — #160 A Game Called Chaos (2000)

Training for Trouble — #161 Training for Trouble (2000)

The End of the Trail — #162 The End of the Trail (2000)

The Spy That Never Lies — #163 The Spy That Never Lies (2000)

Skin & Bones — #164 Skin & Bones (2000)

Crime in the Cards — #165 Crime in the Cards (2001)

Past and Present Danger — #166 Past and Present Danger (2001)

Trouble Times Two — #167 Trouble Times Two (2001)

The Castle Conundrum — #168 The Castle Conundrum (2001)

Ghost of a Chance — #169 Ghost of a Chance (2001)

Kickoff to Danger — #170 Kickoff to Danger (2001)

The Test Case — #171 The Test Case (2002)

Trouble in Warp Space — #172 Trouble in Warp Space (2002)

Speed Times Five — #173 Speed Times Five (2002)

Hide-and-Sneak — #174 Hide-and-Sneak (2002)

Trick-or-Trouble — #175 Trick-or-Trouble (2002)

In Plane Sight — #176 In Plane Sight (2002)

The Case of the Psychic's Vision — #177 The Case of the Psychic's Vision (2003)

The Mystery of the Black Rhino — #178 The Mystery of the Black Rhino (2003)

Passport to Danger — #179 Passport to Danger (2003)

Typhoon Island — #180 Typhoon Island (2003)

Double Jeopardy — #181 Double Jeopardy (2003)

The Secret of the Soldier's Gold — #182 The Secret of the Soldier's Gold (2003)

Warehouse Rumble — #183 Warehouse Rumble (2004)

The Dangerous Transmission — #184 The Dangerous Transmission (2004)

Wreck and Roll — #185 Wreck and Roll (2004)

Hidden Mountain — #186 Hidden Mountain (2004)

No Way Out — #187 No Way Out (1993)

Farming Fear — #188 Farming Fear (2004)

One False Step — #189 One False Step (2005)

Motocross Madness — #190 Motocross Madness (2005)