| Series in your libraryYour books | All books Summary: 28 Series. - The House on the Cliff (Hardy Boys, Book 2) by Franklin W. Dixon (2)
- The Secret of the Old Mill (Hardy Boys, Book 3) by Franklin W. Dixon (3)
- The Shore Road Mystery (Hardy Boys, Book 6) by Franklin W. Dixon (6)
- The Secret of the Caves (Hardy Boys, Book 7) by Franklin W. Dixon (7)
- The Mystery of Cabin Island (Hardy Boys, Book 8) by Franklin W. Dixon (8)
- The Great Airport Mystery (Hardy Boys, Book 9) by Franklin W. Dixon (9)
- What Happened at Midnight (Hardy Boys, Book 10) by Franklin W. Dixon (10)
- Footprints Under the Window (Hardy Boys, Book 12) by Franklin W. Dixon (12)
- The Mark on the Door (Hardy Boys, Book 13) by Franklin W. Dixon (13)
- The Hidden Harbor Mystery (Hardy Boys, Book 14) by Franklin W. Dixon (14)
- The Sinister Signpost (Hardy Boys, Book 15) by Franklin W. Dixon (15)
- A Figure in Hiding (Hardy Boys, Book 16) by Franklin W. Dixon (16)
- The Clue of the Broken Blade (Hardy Boys, Book 21) by Franklin W. Dixon (21)
- The Melted Coins (Hardy Boys, Book 23) by Franklin W. Dixon (23)
- The Short-Wave Mystery (Hardy Boys, Book 24) by Franklin W. Dixon (24)
- The Secret Panel (Hardy Boys, Book 25) by Franklin W. Dixon (25)
- The Secret of Wildcat Swamp (Hardy Boys, Book 31) by Franklin W. Dixon (31)
- The Crisscross Shadow (Hardy Boys, Book 32) by Franklin W. Dixon (32)
- The Yellow Feather Mystery (Hardy Boys, Book 33) by Franklin W. Dixon (33)
- The Hooded Hawk Mystery (Hardy Boys, Book 34) by Franklin W. Dixon (34)
- The Clue in the Embers (Hardy Boys, Book 35) by Franklin W. Dixon (35)
- The Clue of the Screeching Owl (Hardy Boys, Book 41) by Franklin W. Dixon (41)
- The Viking Symbol Mystery (Hardy Boys, Book 42) by Franklin W. Dixon (42)
- The Mystery of the Aztec Warrior (Hardy Boys, Book 43) by Franklin W. Dixon (43)
- The Haunted Fort (Hardy Boys, Book 44) by Franklin W. Dixon (44)
- The Mystery of the Spiral Bridge (Hardy Boys, Book 45) by Franklin W. Dixon (45)
- The Secret Agent on Flight 101 (Hardy Boys, Book 46) by Franklin W. Dixon (46)
- Hardy Boys 47: Mystery of the Whale Tattoo by Franklin W. Dixon (47)
- Hardy Boys 48: The Arctic Patrol Mystery by Franklin W. Dixon (48)
- Hardy Boys 49: The Bombay Boomerang by Franklin W. Dixon (49)
- Hardy Boys 50: Danger on Vampire Trail (Hardy Boys) by Franklin W. Dixon (50)
- Hardy Boys 51: The Masked Monkey (Hardy Boys) by Franklin W. Dixon (51)
- The Shattered Helmet (His Hardy Boys Mystery Stories, No 52) by Franklin W. Dixon (52)
- Hardy Boys 54: The Mysterious Caravan by Franklin W. Dixon (54)
- Hardy Boys 55: The Witchmaster's Key (Hardy Boys) by Franklin W. Dixon (55)
- Hardy Boys 58: The Sting of the Scorpion by Franklin W. Dixon (58)
- Hardy Boys 48: The Arctic Patrol Mystery by Franklin W. Dixon (2)
- The Haunted Fort (Hardy Boys, Book 44) by Franklin W. Dixon (3)
- Hardy Boys 47: Mystery of the Whale Tattoo by Franklin W. Dixon (4)
- The Melted Coins (Hardy Boys, Book 23) by Franklin W. Dixon (7)
- The Mystery of the Spiral Bridge (Hardy Boys, Book 45) by Franklin W. Dixon (8)
- The Clue of the Screeching Owl (Hardy Boys, Book 41) by Franklin W. Dixon (9)
- The Secret of the Caves (Hardy Boys, Book 7) by Franklin W. Dixon (13)
- The Secret of the Old Mill (Hardy Boys, Book 3) by Franklin W. Dixon (16)
- The Shore Road Mystery (Hardy Boys, Book 6) by Franklin W. Dixon (17)
- The Great Airport Mystery (Hardy Boys, Book 9) by Franklin W. Dixon (18)
- What Happened at Midnight (Hardy Boys, Book 10) by Franklin W. Dixon (21)
- The Sinister Signpost (Hardy Boys, Book 15) by Franklin W. Dixon (22)
- The Mystery of Cabin Island (Hardy Boys, Book 8) by Franklin W. Dixon (26)
- The Mark on the Door (Hardy Boys, Book 13) by Franklin W. Dixon (27)
- The Yellow Feather Mystery (Hardy Boys, Book 33) by Franklin W. Dixon (28)
- The Hooded Hawk Mystery (Hardy Boys, Book 34) by Franklin W. Dixon (29)
- The Viking Symbol Mystery (Hardy Boys, Book 42) by Franklin W. Dixon (33)
- Hardy Boys 54: The Mysterious Caravan by Franklin W. Dixon (41)
- The Shattered Helmet (His Hardy Boys Mystery Stories, No 52) by Franklin W. Dixon (45)
- A Figure in Hiding (Hardy Boys, Book 16) by Franklin W. Dixon (49)
- The Short-Wave Mystery (Hardy Boys, Book 24) by Franklin W. Dixon (52)
- Hardy Boys 55: The Witchmaster's Key (Hardy Boys) by Franklin W. Dixon (55)
- The Hardy Boys: The Blackwing Puzzle by Franklin W. Dixon (80)
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