(Book #14 of Hardy Boys: The Secret Files)

Franklin W. Dixon

$7.99

(Book #5 of Hardy Boys Adventures)

Franklin W. Dixon

$10.99

(Book #13 of Hardy Boys: The Secret Files)

Franklin W. Dixon

$6.99

(Book #4 of Hardy Boys Adventures)

Franklin W. Dixon

$10.99

(Book #12 of Hardy Boys: The Secret Files)

Franklin W. Dixon

$7.99

(Book #3 of Hardy Boys Adventures)

Franklin W. Dixon

$10.99

(Book #11 of Hardy Boys: The Secret Files)

Franklin W. Dixon

$6.99

(Book #2 of Hardy Boys Adventures)

Franklin W. Dixon

$10.99

(Book #1 of Hardy Boys Adventures)

Franklin W. Dixon

$10.99

(Book #10 of Hardy Boys: The Secret Files)

Franklin W. Dixon

$7.99

(Book #9 of Hardy Boys: The Secret Files)

Franklin W. Dixon

$7.99

(Book #6 of Nancy Drew Files)

Carolyn Keene and Franklin W. Dixon

$7.99

(Book #8 of Hardy Boys: The Secret Files)

Franklin W. Dixon

$6.99

(Book #39 of Hardy Boys (All New) Undercover Brothers)

Franklin W. Dixon

$10.99

(Book #7 of Hardy Boys: The Secret Files)

Franklin W. Dixon

$7.99

(Book #38 of Hardy Boys (All New) Undercover Brothers)

Franklin W. Dixon

$8.99

(Book #6 of Hardy Boys: The Secret Files)

Franklin W. Dixon

$9.99

(Book #5 of Nancy Drew/Hardy Boys)

Franklin W. Dixon and Carolyn Keene

$7.99

(Book #37 of Hardy Boys (All New) Undercover Brothers)

Franklin W. Dixon

$6.99

(Book #5 of Hardy Boys: The Secret Files)

Franklin W. Dixon

$7.99