• The Great Pumpkin Smash
• Who Let the Frogs Out?
• Return to Black Bear Mountain
• A Treacherous Tide
• Bug-Napped
• The Disappearance
• Sea Life Secrets
• The Mystery of the Chinese Junk
• A Skateboard Cat-astrophe
• Too Many Traitors
• Galaxy X
• The Secret Panel
• The Secret of Wildcat Swamp
• The Secret of the Caves
• The Caribbean Cruise Caper
• Without a Trace
• The Mystery of the Spiral Bridge
• Movie Menace
• Dungeons & Detectives
• Water-Ski Wipeout
• The Case of the Psychic's Vision
• X-plosion
• Deathgame
• The Apeman's Secret
• A Will to Survive
• Mystery at Devil's Paw
• Blood Money
• The Mark on the Door
• Scene of the Crime
• The Gray Hunter's Revenge
• Stolen Identity
• The Mummy's Curse
• Mystery of Smugglers Cove
• Diplomatic Deceit
• The Haunted Fort
• The Crisscross Shadow
• Secret of the Red Arrow
• Trial and Terror
• The Short-Wave Mystery
• The Spy That Never Lies
• Operation: Survival
• Deception on the Set
• The Sign of the Crooked Arrow
• Hunting for Hidden Gold
• Disaster for Hire
• The Clue in the Embers
• Danger Zone
• The Hidden Harbor Mystery
• Eye on Crime
• A Game Called Chaos
• The Bicycle Thief
• The Missing Playbook
• Survival Run
• The Bombay Boomerang
• Mystery of the Samurai Sword
• Burned
• Death and Diamonds
• Murder at the Mall
• The Prime-Time Crime
• Hide-and-Sneak
• Training for Trouble
• Trouble in Paradise
• While the Clock Ticked
• The Alaskan Adventure
• The Lost Brother
• Tunnel of Secrets
• A Killing in the Market
• The Curse of the Ancient Emerald
• The Arctic Patrol Mystery
• Past and Present Danger
• The Castle Conundrum (Hardy Boys)
• Farming Fear
• Nowhere to Run
• The Secret of the Soldier's Gold
• Danger on Vampire Trail
• The Lure of the Italian Treasure
• The Mystery of Cabin Island
• Darkness Falls
• Night of the Werewolf
• Danger in the Extreme
• The Lazarus Plot
• The Hooded Hawk Mystery
• Double Trouble
• Forever Lost
• Pushed
• The Great Airport Mystery
• The Hunt for Four Brothers
• The Disappearing Floor
• Motocross Madness
• Foul Play
• High-Speed Showdown
• The Mummy Case
• The Firebird Rocket
• Trouble in Warp Space
• Ship of Secrets
• Line of Fire
• The Clue of the Broken Blade
• Medieval Upheaval
• Witness to Murder
• The Giant Rat of Sumatra
• Attack of the Bayport Beast
• The Borgia Dagger
• Scavenger Hunt Heist
• No Way Out
• Murder House
• The X-Factor
• The Desert Thieves
• Mystery of the Phantom Heist
• The Battle of Bayport
• Final Cut
• Brother Against Brother
• Private Killer
• The Mystery of the Black Rhino
• Feeding Frenzy
• Castle Fear
• A Figure in Hiding
• Hopping Mad
• Dead on Target
• Skin and Bones
• The Secret Warning
• Flesh and Blood
• The Shattered Helmet
• Boardwalk Bust
• Terror at High Tide
• In Plane Sight
• The London Deception
• Evil, Inc.
• Deprivation House
• The Mystery of the Aztec Warrior
• First Day, Worst Day
• Bonfire Masquerade
• Killer Connections
• Strategic Moves
• Warehouse Rumble
• The Chase for the Mystery Twister
• The Tower Treasure thb-1
• The Children of the Lost
• The Last Laugh
• Trick-or-Trouble
• Perfect Getaway
• Nightmare in Angel City
• Edge of Destruction
• Fright Wave
• The Jungle Pyramid
• Footprints Under the Window
• The Gross Ghost Mystery
• A Monster of a Mystery
• House Arrest
• Mystery of the Desert Giant
• Talent Show Tricks
• The Sting of the Scorpion
• The Secret of Skull Mountain
• The Missing Chums
• Kickoff to Danger
• Cult of Crime
• Running on Fumes
• Martial Law
• The Pentagon Spy
• Hazed
• The Secret Agent on Flight 101
• Running on Empty
• Top Ten Ways to Die
• The Missing Mitt
• The Melted Coins
• The Rocky Road to Revenge
• The Masked Monkey
• Lost in Gator Swamp
• Extreme Danger
• Street Spies
• The Wailing Siren Mystery
• The Dangerous Transmission
• Hurricane Joe
• The Crisscross Crime
• Mystery of the Whale Tattoo
• The House on the Cliff
• Camping Chaos
• Ghost of a Chance
• Tagged for Terror
• Thrill Ride
• Fossil Frenzy
• The Time Warp Wonder
• Ghost Stories
• Speed Times Five
• What Happened at Midnight
• Three-Ring Terror
• Trouble at the Arcade
• The Clue of the Hissing Serpent
• Trouble in the Pipeline
• The Tower Treasure
• Hostages of Hate
• The Crowning Terror
• Daredevils
• The Vanishing Thieves
• Killer Mission
• The Mark of the Blue Tattoo
• The Witchmaster's Key
• The Deadliest Dare
• Peril at Granite Peak
• The Secret Of The Old Mill thb-3
• Rocky Road
• The Demolition Mission
• Blown Away
• Passport to Danger
• The Shore Road Mystery
• Trouble Times Two
• The Yellow Feather Mystery
• One False Step
• Crime in the Cards
• Thick as Thieves
• The Clue of the Screeching Owl
• The Pacific Conspiracy
• The Genius Thieves
• The Flickering Torch Mystery
• Into Thin Air
• Highway Robbery
• Deadfall
• Mystery of the Flying Express
• The Viking Symbol Mystery
• The End of the Trail
• The Number File
• Gold Medal Murder
• Bound for Danger
• Collision Course
• The Madman of Black Bear Mountain
• The Secret of the Lost Tunnel
• The Stone Idol
• The Secret of Pirates' Hill
• A Con Artist in Paris
• The Mysterious Caravan
• The Secret of Sigma Seven
• The Twisted Claw
• The Phantom Freighter
• The Dead Season
• The Video Game Bandit
• The Vanishing Game
• Typhoon Island