Franklin W
Books
Hunting for hidden gold
1920
ISBN 9780515159073
The Secret of the Old Mill
1927
ISBN 9780486851464
While the Clock Ticked
1932
ISBN 9780448433134
The Tower Treasure
1927
ISBN 9780807207666
The Missing Chums
1928
ISBN 9780001605329
Footprints Under the Window
1933
ISBN 9781557092700
The Great Airport Mystery
1930
ISBN 9780006917410
What Happened at Midnight
1931
ISBN 9780448089102
The House on the Cliff
1927
ISBN 9780448433042
The Mystery of Cabin Island
1929
ISBN 9781557092663
The Twisted Claw
1939
ISBN 9781557092861
Mystery of Cabin Island
1929
ISBN 9780006912149
The Shore Road Mystery
1928
ISBN 9780807215883
Missing Chums
1928
ISBN 9785559103877- No cover
Hardyguttene og maskemysteriet
1973
ISBN 9788251100533 
The Missing Chums: The Hardy Boys
2025
ISBN 9798891536371
Hardy Boys 04: The Missing Chums
1928
ISBN 9781440673184
The Mystery of Cabin Island #8
1929
ISBN 9780515159103
Mystery Map
2010
ISBN 9781442407190
The Hardy Boys Hunting for Hidden Gold
1928
ISBN 9780807212493
Twisted Claw
1972
ISBN 9780001605114
Hardy Boys starter set
1996
ISBN 9780448416724
Secret of the Old Mill
1927
ISBN 9780001605169
The Secret of the Caves