(Book #1 of Hardy Boys: The Secret Files)

Franklin W. Dixon

$14.99

(Book #34 of Hardy Boys (All New) Undercover Brothers)

Franklin W. Dixon

$14.99

(Book #2 of Hardy Boys: The Secret Files)

Franklin W. Dixon

$14.99

(Book #33 of Hardy Boys (All New) Undercover Brothers)

Franklin W. Dixon

$16.99

(Book #32 of Hardy Boys (All New) Undercover Brothers)

Franklin W. Dixon

$14.99

(Book #31 of Hardy Boys (All New) Undercover Brothers)

Franklin W. Dixon

$16.99

(Book #30 of Hardy Boys (All New) Undercover Brothers)

Franklin W. Dixon

$14.99

(Book #29 of Hardy Boys (All New) Undercover Brothers)

Franklin W. Dixon

$14.99

(Book #28 of Hardy Boys (All New) Undercover Brothers)

Franklin W. Dixon

$14.99

(Book #3 of Nancy Drew/Hardy Boys)

Carolyn Keene and Franklin W. Dixon

$14.99

(Book #27 of Hardy Boys (All New) Undercover Brothers)

Franklin W. Dixon

$14.99

(Book #26 of Hardy Boys (All New) Undercover Brothers)

Franklin W. Dixon

$14.99

(Book #24 of Hardy Boys (All New) Undercover Brothers)

Franklin W. Dixon

$14.99

(Part of Hardy Boys Undercover Brothers: Super Mystery)

Franklin W. Dixon

$14.99

(Book #23 of Hardy Boys (All New) Undercover Brothers)

Franklin W. Dixon

$14.99

(Book #22 of Hardy Boys (All New) Undercover Brothers)

Franklin W. Dixon

$14.99

(Book #21 of Hardy Boys (All New) Undercover Brothers)

Franklin W. Dixon

$14.99

(Book #19 of Hardy Boys (All New) Undercover Brothers)

Franklin W. Dixon

$14.99

(Book #18 of Hardy Boys (All New) Undercover Brothers)

Franklin W. Dixon

$14.99

(Book #17 of Hardy Boys (All New) Undercover Brothers)

Franklin W. Dixon

$14.99