The Sting of the Scorpion
Franklin W. Dixon
The Hardy Boys (58)
Danger on Vampire Trail
The Hardy Boys (50)
Mystery of the Samurai Sword
The Hardy Boys (60)
The Secret of Pirates' Hill
The Hardy Boys (36)
The Mystery of the Aztec Warrior
The Hardy Boys (43)
Mystery of Smugglers Cove
The Hardy Boys (64)
The Mummy Case
The Hardy Boys (63)
The Arctic Patrol Mystery
The Hardy Boys (48)
The Ghost at Skeleton Rock
The Hardy Boys (37)
The Vanishing Thieves
The Hardy Boys (66)
Double Down: Book Two in the Double Danger Trilogy
Hardy Boys: Undercover Brothers (26)
Double Deception: Book Three in the Double Danger Trilogy
Hardy Boys: Undercover Brothers (27)
Private Killer: Book Two in the Killer Mystery Trilogy
Hardy Boys: Killer Mystery (2)
The X-Factor: Book Three in the Galaxy X Trilogy
Hardy Boys: Undercover Brothers (30)
Killer Mission
Hardy Boys: Killer Mystery (1)
Killer Connections
Hardy Boys: Killer Mystery (3)
Double Trouble: Book One in the Double Danger Trilogy
Hardy Boys: Undercover Brothers (25)
Murder House: Book Three in the Murder House Trilogy
Hardy Boys: Undercover Brothers (24)
Deprivation House: Book One in the Murder House Trilogy
Hardy Boys: Undercover Brothers (22)
The Children of the Lost
The Lost Mystery Trilogy (1)
Running on Fumes
Hardy Boys: Undercover Brothers (2)
Galaxy X
Hardy Boys: Undercover Brothers (28)
Rocky Road
Hardy Boys: Undercover Brothers (5)
Operation: Survival
Hardy Boys: Undercover Brothers (7)
X-Plosion: Book Two in the Galaxy X Trilogy
Hardy Boys: Undercover Brothers (29)
House Arrest
Hardy Boys: Undercover Brothers (23)
Hurricane Joe
Hardy Boys: Undercover Brothers (11)
Hazed
Hardy Boys: Undercover Brothers (14)
The Mummy's Curse
Hardy Boys: Undercover Brothers (13)
Murder at the Mall
Hardy Boys: Undercover Brothers (17)
Boardwalk Bust
Hardy Boys: Undercover Brothers (3)
Forever Lost
The Lost Mystery Trilogy (3)
Bayport Buccaneers
Hardy Boys: Undercover Brothers (16)
Burned
Hardy Boys: Undercover Brothers (6)
Foul Play
The Hardy Boys Undercover Brothers (19)
Comic Con Artist
Hardy Boys: Undercover Brothers (21)
Movie Menace: Book One in the Deathstalker Trilogy
Hardy Boys: Undercover Brothers (37)
Death and Diamonds
Hardy Boys: Undercover Brothers (15)
Feeding Frenzy
Hardy Boys: Undercover Brothers (20)
Martial Law
Hardy Boys: Undercover Brothers (9)
Thrill Ride
Hardy Boys: Undercover Brothers (4)
Trouble in Paradise
Hardy Boys: Undercover Brothers (12)
Extreme Danger
Hardy Boys: Undercover Brothers (1)
Pushed
Hardy Boys: Undercover Brothers (18)
Blown Away
Hardy Boys: Undercover Brothers (10)
Lost Brother
The Lost Mystery Trilogy (2)
Top Ten Ways to Die
Hardy Boys: Undercover Brothers (8)
The Bicycle Thief
Franklin W. Dixon & Scott Burroughs
The Hardy Boys: Secret Files (6)
Balloon Blow-Up
The Hardy Boys: Secret Files (13)
Mystery Map
The Hardy Boys: Secret Files (3)
Medieval Upheaval
The Hardy Boys: Secret Files (18)
Hopping Mad
The Hardy Boys: Secret Files (4)
A Monster of a Mystery
The Hardy Boys: Secret Files (5)
Fossil Frenzy
The Hardy Boys: Secret Files (14)
Trouble at the Arcade
The Hardy Boys: Secret Files (1)
Ship of Secrets
The Hardy Boys: Secret Files (15)
The Disappearing Dog
The Hardy Boys: Secret Files (7)
A Rockin' Mystery
The Hardy Boys: Secret Files (10)
The Missing Mitt
The Hardy Boys: Secret Files (2)
The Great Escape
The Hardy Boys: Secret Files (17)