The Arctic Patrol Mystery No. 2
1974, Armada Books, 0006908136
Frank, Joe and Chet are off to Iceland to find a sailor in what seems to be a straight-forward insurance case. Then one of the American astronauts on a training mission in the country disappears. A suspense story of the best kind.
The Mystery of the Whale Tattoo No. 4
1981, Armada Books, 0006908152
The Mystery of the Disappearing Floor No. 5
1977, Armada Books, 0006909094
The Mystery of the Desert Giant No. 6
The Mystery of the Melted Coins No. 7
1978, Armada Books, 0006909108
1984, Armada Books, 0006923518
The Mystery of the Spiral Bridge No. 8
1978, Armada Books, 0006909337
1979, Armada Books, 0006909337
The Clue of the Screeching Owl No. 9
1974, Armada Books, 0006909345
1977, Armada Books, 0006909345
While the Clock Ticked No. 10
1979, Armada Books, 0006911927
1981, Armada Books, 0006911927
1983, Armada Books, 0006922015
The Twisted Claw No. 11
1979, Armada Books, 0006909922
1980, Armada Books, 0006909922
The Secret of the Caves No. 13
1984, Armada Books, 0006923542
The Flickering Torch Mystery No. 15
The Shore Road Mystery No. 17
1984, Armada Books, 0006923704
The Great Airport Mystery No. 18
1983, Armada Books, 0006922570
The Sign of the Crooked Arrow No. 19
1975, Armada Books, 0006910394
Footprints under the Window No. 23
1984, Armada Books, 0006923534
The Crisscross Shadow No. 24
1984, Armada Books, 0006911455
The Mystery of Cabin Island No. 26
1976, Armada Books, 0006912141
1982, Armada Books, 0006912141
The Hooded Hawk Mystery No. 29
1980, Armada Books, 0006918034
1984, Armada Books, 0006923755
The Tower Treasure No. 31
1982, Armada Books, 000691912X
The Mystery of the Missing Friends No. 32
1982, Armada Books, 0006920780
The Viking Symbol Mystery No. 33
1983, Armada Books, 0006919812
The Mystery of the Chinese Junk No. 34
1983, Armada Books, 0006921582
The Ghost at Skeleton Rock No. 36
1984, Armada Books, 0006923097
The Clue of the Broken Blade No. 37
1985, Armada Books, 0006925022
The Secret of Wildcat Swamp No. 38
1985, Armada Books, 0006925030
The Secret Warning No. 50
1991, Armada Books, 0006928331
Night of the Werewolf No. 57
The Mystery of the Samurai Sword No. 58
The Pentagon Spy No. 59
The Billion Dollar Ransom No. 71
1984, Armada Books, 0006918328
Sky Sabotage No. 77
1985, Armada Books, 0006921663
Collections
Three Great Hardy Boys Mysteries No. 4
1984, Armada Books, 0006924492
Three Great Hardy Boys Mysteries No. 5
1985, Armada Books, 000692607X