Mystery of the Whale Tattoo (Hardy Boys #47)

The Tower Treasure (Hardy Boys #1)

The Opposite Numbers (Hardy Boys Graphic Novels: Undercover Brothers, No. 7)

What Happened at Midnight (Hardy Boys #10)

Killer Mission (The Killer Mystery Trilogy #1 / Hardy Boys: Undercover Brothers #31)

The Secret of Pirates' Hill (Hardy Boys #36)

Hardy Boys Complete Series Set, Books 1-66

The Phantom Freighter (The Hardy Boys #26)

Malled (Hardy Boys Graphic Novels: Undercover Brothers #4)

The Sign of the Crooked Arrow (Hardy Boys #28)

The Sinister Signpost (Hardy Boys #15)

Lost Brother (The Lost Mystery Trilogy #2 / Hardy Boys: Undercover Brothers #35)

Danger Overseas (Nancy Drew: Girl Detective and Hardy Boys: Undercover Brothers Super Mystery #2)

The Mystery of the Aztec Warrior (Hardy Boys #43)

Operation: Survival (Hardy Boys: Undercover Brothers #7)

The Viking Symbol Mystery (Hardy Boys #42)

The Hardy Boys Undercover Brothers: The Ultimate Sleuth 24-Book Collection (The Hardy Boys Undercover Brothers, 1-24)

The Ocean of Osyria/Identity Theft/Madhouse/Malled (Hardy Boys Graphic Novels: Undercover Brothers 1-4)

Hardy Boys #13: The Deadliest Stunt (Hardy Boys: Undercover Brothers (Papercutz Hardcover))

To Die or Not to Die (Hardy Boys Graphic Novels: Undercover Brothers #9) (v. 9)

The Opposite Numbers (Hardy Boys Graphic Novels: Undercover Brothers, No. 7)

Spy Set (Boxed Set): Extreme Danger; Running on Fumes; Boardwalk Bust; Thrill Ride (Hardy Boys, Undercover Brothers)

Hyde & Shriek (Hardy Boys Graphic Novels: Undercover Brothers #6) (v. 6)

Terror on Tour (Nancy Drew: Girl Detective and Hardy Boys: Undercover Brothers Super Mystery #1)

Board to Death (Hardy Boys Graphic Novels: Undercover Brothers #8)

Kidnapped at the Casino (Hardy Boys: Undercover Brothers Super Mystery #2)

Wanted (Hardy Boys: Undercover Brothers Super Mystery #1)

Murder House: Book Three in the Murder House Trilogy (Hardy Boys, Undercover Brothers)

Movie Mission: Book Two in the Deathstalker Trilogy (Hardy Boys, Undercover Brothers)

Malled (Hardy Boys Graphic Novels: Undercover Brothers #4)

Double Trouble: Book One in the Double Danger Trilogy (Hardy Boys, Undercover Brothers)

Pushed (Hardy Boys: Undercover Brothers, No. 18)