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cover image of The Tower Treasure

The Tower Treasure

Hardy Boys (Series)

Book 1

Franklin W. Dixon Author
(1927)

cover image of The House on the Cliff

The House on the Cliff

Hardy Boys (Series)

Book 2

Franklin W. Dixon Author
(1927)

cover image of Hunting for Hidden Gold

Hunting for Hidden Gold

Hardy Boys (Series)

Book 5

Franklin W. Dixon Author
(1928)

cover image of The Secret of the Old Mill

The Secret of the Old Mill

Hardy Boys (Series)

Book 3

Franklin W. Dixon Author
(1927)

cover image of The Missing Chums

The Missing Chums

Hardy Boys (Series)

Book 4

Franklin W. Dixon Author
(1930)

cover image of While the Clock Ticked

While the Clock Ticked

Hardy Boys (Series)

Book 11

Franklin W. Dixon Author
(1932)

cover image of The Disappearing Floor

The Disappearing Floor

Hardy Boys (Series)

Book 19

Franklin W. Dixon Author
(1940)

cover image of The Shore Road Mystery

The Shore Road Mystery

Hardy Boys (Series)

Book 6

Franklin W. Dixon Author
(1928)

cover image of The Arctic Patrol Mystery

The Arctic Patrol Mystery

Hardy Boys (Series)

Book 48

Franklin W. Dixon Author
(1969)

cover image of Footprints Under the Window

Footprints Under the Window

Hardy Boys (Series)

Book 12

Franklin W. Dixon Author
(1933)

cover image of The Great Airport Mystery

The Great Airport Mystery

Hardy Boys (Series)

Book 9

Franklin W. Dixon Author
(1930)

cover image of The Secret of the Caves

The Secret of the Caves

Hardy Boys (Series)

Book 7

Franklin W. Dixon Author
(1929)

cover image of The Secret Agent on Flight 101

The Secret Agent on Flight 101

Hardy Boys (Series)

Book 46

Franklin W. Dixon Author
(1967)

cover image of The Mark on the Door

The Mark on the Door

Hardy Boys (Series)

Book 13

Franklin W. Dixon Author
(1934)

cover image of A Figure in Hiding

A Figure in Hiding

Hardy Boys (Series)

Book 16

Franklin W. Dixon Author
(1937)

cover image of What Happened at Midnight

What Happened at Midnight

Hardy Boys (Series)

Book 10

Franklin W. Dixon Author
(1931)

cover image of The Hidden Harbor Mystery

The Hidden Harbor Mystery

Hardy Boys (Series)

Book 14

Franklin W. Dixon Author
(1935)

cover image of The Secret of Pirates' Hill

The Secret of Pirates' Hill

Hardy Boys (Series)

Book 36

Franklin W. Dixon Author
(1957)

cover image of The Mystery of Cabin Island

The Mystery of Cabin Island

Hardy Boys (Series)

Book 8

Franklin W. Dixon Author
(1929)

cover image of The Clue of the Broken Blade

The Clue of the Broken Blade

Hardy Boys (Series)

Book 21

Franklin W. Dixon Author
(1942)

cover image of The Haunted Fort

The Haunted Fort

Hardy Boys (Series)

Book 44

Franklin W. Dixon Author
(1964)

cover image of The Secret Warning

The Secret Warning

Hardy Boys (Series)

Book 17

Franklin W. Dixon Author
(1938)

cover image of The Sinister Signpost

The Sinister Signpost

Hardy Boys (Series)

Book 15

Franklin W. Dixon Author
(1936)

cover image of Danger on Vampire Trail

Danger on Vampire Trail

Hardy Boys (Series)

Book 50

Franklin W. Dixon Author
(1971)

cover image of The Melted Coins

The Melted Coins

Hardy Boys (Series)

Book 23

Franklin W. Dixon Author
(1944)

cover image of The Twisted Claw

The Twisted Claw

Hardy Boys (Series)

Book 18

Franklin W. Dixon Author
(1939)

cover image of Mystery of the Flying Express

Mystery of the Flying Express

Hardy Boys (Series)

Book 20

Franklin W. Dixon Author
(1941)

cover image of The Bombay Boomerang

The Bombay Boomerang

Hardy Boys (Series)

Book 49

Franklin W. Dixon Author
(1970)

cover image of The Ghost at Skeleton Rock

The Ghost at Skeleton Rock

Hardy Boys (Series)

Book 37

Franklin W. Dixon Author
(1958)

cover image of The Clue of the Screeching Owl

The Clue of the Screeching Owl

Hardy Boys (Series)

Book 41

Franklin W. Dixon Author
(1962)

cover image of Secret of the Red Arrow

Secret of the Red Arrow

Hardy Boys Adventures (Series)

Book 1

Franklin W. Dixon Author
(2013)

cover image of The Clue in the Embers

The Clue in the Embers

Hardy Boys (Series)

Book 35

Franklin W. Dixon Author
(1956)

cover image of The Crisscross Shadow

The Crisscross Shadow

Hardy Boys (Series)

Book 32

Franklin W. Dixon Author
(1953)

cover image of The Firebird Rocket

The Firebird Rocket

Hardy Boys (Series)

Book 57

Franklin W. Dixon Author
(1978)

cover image of The Short-Wave Mystery

The Short-Wave Mystery

Hardy Boys (Series)

Book 24

Franklin W. Dixon Author
(1945)

cover image of The Jungle Pyramid

The Jungle Pyramid

Hardy Boys (Series)

Book 56

Franklin W. Dixon Author
(1976)

cover image of The Mystery of the Spiral Bridge

The Mystery of the Spiral Bridge

Hardy Boys (Series)

Book 45

Franklin W. Dixon Author
(1965)

cover image of The Battle of Bayport

The Battle of Bayport

Hardy Boys Adventures (Series)

Book 6

Franklin W. Dixon Author
(2014)

cover image of The Clue of the Hissing Serpent

The Clue of the Hissing Serpent

Hardy Boys (Series)

Book 53

Franklin W. Dixon Author
(1974)

cover image of The Secret Panel

The Secret Panel

Hardy Boys (Series)

Book 25

Franklin W. Dixon Author
(1946)

cover image of The Flickering Torch Mystery

The Flickering Torch Mystery

Hardy Boys (Series)

Book 22

Franklin W. Dixon Author
(1943)

cover image of Bonfire Masquerade

Bonfire Masquerade

Nancy Drew/Hardy Boys Super Mystery (Series)

Book 5

Franklin W. Dixon Author
Carolyn Keene Author
(2011)

cover image of The Secret of Skull Mountain

The Secret of Skull Mountain

Hardy Boys (Series)

Book 27

Franklin W. Dixon Author
(1948)

cover image of The Sting of the Scorpion

The Sting of the Scorpion

Hardy Boys (Series)

Book 58

Franklin W. Dixon Author
(1978)

cover image of The Mystery of the Chinese Junk

The Mystery of the Chinese Junk

Hardy Boys (Series)

Book 39

Franklin W. Dixon Author
(1959)

cover image of The Viking Symbol Mystery

The Viking Symbol Mystery

Hardy Boys (Series)

Book 42

Franklin W. Dixon Author
(1962)

cover image of The Secret of the Lost Tunnel

The Secret of the Lost Tunnel

Hardy Boys (Series)

Book 29

Franklin W. Dixon Author
(1950)

cover image of Club Dread

Club Dread

Nancy Drew/Hardy Boys Super Mystery (Series)

Book 3

Carolyn Keene Author
Franklin W. Dixon Author
(2009)