A Figure in Hiding

Hardy Boys (Series)

Book 16

Franklin W. Dixon Author
(1937)

Mystery of the Flying Express

Hardy Boys (Series)

Book 20

Franklin W. Dixon Author
(1941)

The Clue of the Broken Blade

Hardy Boys (Series)

Book 21

Franklin W. Dixon Author
(1942)

The Disappearing Floor

Hardy Boys (Series)

Book 19

Franklin W. Dixon Author
(1940)

The Flickering Torch Mystery

Hardy Boys (Series)

Book 22

Franklin W. Dixon Author
(1943)

The Great Airport Mystery

Hardy Boys (Series)

Book 9

Franklin W. Dixon Author
(1930)

The Hidden Harbor Mystery

Hardy Boys (Series)

Book 14

Franklin W. Dixon Author
(1935)

The Mark on the Door

Hardy Boys (Series)

Book 13

Franklin W. Dixon Author
(1934)

The Mystery of Cabin Island

Hardy Boys (Series)

Book 8

Franklin W. Dixon Author
(1929)

The Secret Warning

Hardy Boys (Series)

Book 17

Franklin W. Dixon Author
(1938)

The Sinister Signpost

Hardy Boys (Series)

Book 15

Franklin W. Dixon Author
(1936)

The Twisted Claw

Hardy Boys (Series)

Book 18

Franklin W. Dixon Author
(1939)

What Happened at Midnight

Hardy Boys (Series)

Book 10

Franklin W. Dixon Author
(1931)

While the Clock Ticked

Hardy Boys (Series)

Book 11

Franklin W. Dixon Author
(1932)

Footprints Under the Window

Hardy Boys (Series)

Book 12

Franklin W. Dixon Author
(1933)

The Mystery of Cabin Island

Hardy Boys (Series)

Book 8

Franklin W. Dixon Author
(2023)

The Mystery of Cabin Island

Hardy Boys (Series)

Book 8

Franklin W. Dixon Author
(2025)

The Mystery of Cabin Island

Hardy Boys (Series)

Book 8

Franklin W. Dixon Author
Wayne Evans Narrator
(2024)

The Mystery of Cabin Island

Hardy Boys (Series)

Book 8

Franklin W. Dixon Author
Oliver Thompson Narrator
(2025)

The Mystery of Cabin Island

Hardy Boys (Series)

Book 8

Franklin W. Dixon Author
Caleb Summers Narrator
(2025)

The Mystery of Cabin Island

Hardy Boys (Series)

Book 8

Franklin W. Dixon Author
Hayden Bishop Narrator
(2025)

The Great Airport Mystery

Hardy Boys (Series)

Book 9

Franklin W. Dixon Author
Wayne Evans Narrator
(2025)

The Mystery of Cabin Island

Hardy Boys (Series)

Book 8

Franklin W. Dixon Author
Digital Voice Bryan E Narrator
(2025)

The Secret of the Caves

Hardy Boys (Series)

Book 7

Franklin W. Dixon Author
Digital Voice Bryan E Narrator
(2025)