| Series in your libraryYour books | All books Summary: 129 Series. - The Tower Treasure (Hardy Boys, Book 1) by Franklin W. Dixon (1)
- 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 Missing Chums (Hardy Boys, Book 4) by Franklin W. Dixon (4)
- Hunting for Hidden Gold (Hardy Boys, Book 5) by Franklin W. Dixon (5)
- 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)
- While the Clock Ticked (Hardy Boys, Book 11) by Franklin W. Dixon (11)
- 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 Secret Warning (Hardy Boys, Book 17) by Franklin W. Dixon (17)
- The Disappearing Floor (Hardy Boys, Book 19) by Franklin W. Dixon (19)
- The Clue of the Broken Blade (Hardy Boys, Book 21) by Franklin W. Dixon (21)
- The Secret Panel (Hardy Boys, Book 25) by Franklin W. Dixon (25)
- The Phantom Freighter (Hardy Boys, Book 26) by Franklin W. Dixon (26)
- The crisscross shadow 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 Secret of Pirates' Hill (Hardy Boys, Book 36) by Franklin W. Dixon (36)
- The Mystery at Devil's Paw (Hardy Boys, Book 38) by Franklin W. Dixon (38)
- The Mystery of the Chinese Junk (Hardy Boys, Book 39) by Franklin W. Dixon (39)
- The Mystery of the Desert Giant (Hardy Boys, Book 40) by Franklin W. Dixon (40)
- The Mystery of the Aztec Warrior (Hardy Boys, Book 43) by Franklin W. Dixon (43)
- The Mystery of the Spiral Bridge (Hardy Boys, Book 45) by Franklin W. Dixon (45)
- Hardy Boys 46: The Secret Agent on Flight 101 (Hardy Boys) by Franklin W. Dixon (46)
- Hardy Boys 47: Mystery of the Whale Tattoo (Hardy Boys) by Franklin W. Dixon (47)
- Hardy Boys 48: The Arctic Patrol Mystery (Hardy Boys) by Franklin W. Dixon (48)
- Hardy Boys 49: The Bombay Boomerang (Hardy Boys) 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 53: The Clue of the Hissing Serpent (Hardy Boys) by Franklin W. Dixon (53)
- Hardy Boys 54: The Mysterious Caravan (Hardy Boys) by Franklin W. Dixon (54)
- Hardy Boys 55: The Witchmaster's Key (Hardy Boys) by Franklin W. Dixon (55)
- Hardy Boys 56: The Jungle Pyramid (Hardy Boys) by Franklin W. Dixon (56)
- Hardy Boys 48: The Arctic Patrol Mystery (Hardy Boys) by Franklin W. Dixon (2)
- Hardy Boys 47: Mystery of the Whale Tattoo (Hardy Boys) by Franklin W. Dixon (4)
- The Disappearing Floor (Hardy Boys, Book 19) by Franklin W. Dixon (5)
- The Mystery of the Desert Giant (Hardy Boys, Book 40) by Franklin W. Dixon (6)
- The Mystery of the Spiral Bridge (Hardy Boys, Book 45) by Franklin W. Dixon (8)
- While the Clock Ticked (Hardy Boys, Book 11) by Franklin W. Dixon (10)
- The Secret of the Caves (Hardy Boys, Book 7) by Franklin W. Dixon (13)
- The Secret of Pirates' Hill (Hardy Boys, Book 36) by Franklin W. Dixon (14)
- 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)
- Hunting for Hidden Gold (Hardy Boys, Book 5) by Franklin W. Dixon (25)
- 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 Tower Treasure (Hardy Boys, Book 1) by Franklin W. Dixon (31)
- The Missing Chums (Hardy Boys, Book 4) by Franklin W. Dixon (32)
- Hardy Boys 54: The Mysterious Caravan (Hardy Boys) 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 Secret Warning (Hardy Boys, Book 17) by Franklin W. Dixon (50)
- Hardy Boys 55: The Witchmaster's Key (Hardy Boys) by Franklin W. Dixon (55)
- The Secret of the Old Clock (Nancy Drew, Book 1) by Carolyn Keene (1)
- The Hidden Staircase (Nancy Drew Mystery Stories, No 2) by Carolyn Keene (2)
- The Bungalow Mystery (Nancy Drew, Book 3) by Carolyn Keene (3)
- The Mystery at Lilac Inn (Nancy Drew, Book 4) by Carolyn Keene (4)
- The Secret at Shadow Ranch (Nancy Drew, Book 5) by Carolyn Keene (5)
- The Secret of Red Gate Farm (Nancy Drew, Book 6) by Carolyn Keene (6)
- The Clue in the Diary (Nancy Drew, Book 7) by Carolyn Keene (7)
- Nancy's Mysterious Letter (Nancy Drew, Book 8) by Carolyn Keene (8)
- The Sign of the Twisted Candles (Nancy Drew, Book 9) by Carolyn Keene (9)
- Password to Larkspur Lane #10 (Nancy Drew (Hardcover)) by Carolyn Keene (10)
- The Clue of the Broken Locket (Nancy Drew, Book 11) by Carolyn Keene (11)
- The Message in the Hollow Oak (Nancy Drew, Book 12) by Carolyn Keene (12)
- The Mystery of the Ivory Charm (Nancy Drew, Book 13) by Carolyn Keene (13)
- The Whispering Statue (Nancy Drew Mystery Stories, No 14) by Carolyn Keene (14)
- The Haunted Bridge (Nancy Drew Mystery Stories, No 15) by Carolyn Keene (15)
- Clue of the Tapping Heels by Carolyn Keene (16)
- The Mystery of the Brass Bound Trunk (Nancy Drew (Hardcover)) by Carolyn Keene (17)
- The Mystery of the Moss-Covered Mansion (Nancy Drew Mystery Stories) by Carolyn Keene (18)
- Nancy Drew 19: The Quest of the Missing Map (Nancy Drew) by Carolyn Keene (19)
- The Clue in the Jewel Box (Nancy Drew Mystery Series) by Carolyn Keene (20)
- The Secret in the Old Attic (Nancy Drew Mystery Stories, No 21) by Carolyn Keene (21)
- The Clue in the Crumbling Wall (Nancy Drew Mystery Stories, No 22) by Carolyn Keene (22)
- The Mystery of the Tolling Bell (Nancy Drew Mystery Stories, No 23) by Carolyn Keene (23)
- The ghost of Blackwood Hall. by Carolyn. Keene (25)
- The secret of the wooden lady. by Carolyn. Keene (27)
- Nancy Drew 30: The Clue of the Velvet Mask (Nancy Drew) by Carolyn Keene (30)
- The Ringmaster's Secret (Nancy Drew Mystery Stories, No 31) by Carolyn Keene (31)
- The Witch Tree Symbol (Nancy Drew Mystery Stories, No 33) by Carolyn Keene (33)
- The Haunted Showboat (Nancy Drew Mystery Stories, No 35) by Carolyn Keene (35)
- The Clue in the Old Stagecoach (Nancy Drew Mystery Stories, No 37) by Carolyn Keene (37)
- Nancy Drew 40: The Moonstone Castle Mystery (Nancy Drew) by Carolyn Keene (40)
- The Spider Sapphire Mystery (Nancy Drew Mystery Stories, No 45) by Carolyn Keene (45)
- Nancy Drew 46: The Invisible Intruder (Nancy Drew) by Carolyn Keene (46)
- The Mysterious Mannequin (Nancy Drew Mystery Stories, No 47) by Carolyn Keene (47)
- The Crooked Banister (Nancy Drew Mystery Stories, No 48) by Carolyn Keene (48)
- The Secret of Mirror Bay (Nancy Drew Mystery Stories, No 49) by Carolyn Keene (49)
- The Double Jinx Mystery (Nancy Drew Mystery Stories, No 50) by Carolyn Keene (50)
- The Mystery of the Glowing Eye (Nancy Drew Mystery Stories, No 51) by Carolyn Keene (51)
- The Secret of the Forgotten City (Nancy Drew Mystery Stories, No 52) by Carolyn Keene (52)
- The Sky Phantom (Nancy Drew Mystery Stories, No 53) by Carolyn Keene (53)
|