The Ghost at Skeleton Rock (Hardy Boys #37)

The Secret Agent on Flight 101 (Hardy Boys #46)

The Mystery of the Chinese Junk (Hardy Boys #39)

The Flickering Torch Mystery (Hardy Boys #22)

The Mystery of Cabin Island (Hardy Boys #8)

Trouble in Paradise (Hardy Boys: Undercover Brothers #12)

The Wailing Siren Mystery (Hardy Boys #30)

Mystery of the Whale Tattoo (Hardy Boys #47)

The Clue of the Hissing Serpent (Hardy Boys #53)

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

Top Ten Ways to Die (Hardy Boys: All New Undercover Brothers #8)

Killer Connections (The Killer Mystery Trilogy #3 / Hardy Boys: Undercover Brothers #33)

Rocky Road (Hardy Boys: Undercover Brothers #5)

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

The Phantom Freighter (The Hardy Boys #26)

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

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)