The Secret of the Caves (Hardy Boys, #7)
$4.59 - $32.11
The Tower Treasure
$3.89 - $36.99
The House on the Cliff
$5.19 - $30.99
The Mystery of Cabin Island (Hardy Boys, #8)
$4.99 - $32.99
The Secret of the Old Mill
$4.79 - $27.99
The Shore Road Mystery
$5.49 - $34.29
Hunting for Hidden Gold (Hardy Boys, #5)
$4.99 - $38.28
The Great Airport Mystery (Hardy Boys, #9)
$5.79 - $15.59
What Happened at Midnight
$5.49 - $78.99
The Missing Chums (Hardy Boys, #4)
$4.99 - $40.49
While the Clock Ticked
$5.09 - $55.69
The Tower Treasure / The House on the Cliff (Hardy Boys, #1-2)
$4.89 - $13.16
Footprints Under the Window
$4.79 - $17.29
The Mark on the Door
$5.29 - $13.49
The Secret Warning
$5.49 - $13.49
The Secret of Pirates' Hill (Hardy Boys, #36)
$4.79 - $26.49
A Figure in Hiding (Hardy Boys, #16)
$5.49 - $48.59
The Disappearing Floor
$5.59 - $16.20
The Sinister Signpost (Hardy Boys, #15)
$4.99 - $72.99
The Secret of Wildcat Swamp
$5.49 - $10.86
The Hidden Harbor Mystery (The Hardy Boys, #14)
$5.49 - $57.59
The Mystery of the Chinese Junk
$5.19 - $11.89
The Clue of the Screeching Owl (Hardy Boys, #41)
$4.99 - $10.07
The Crisscross Shadow (Hardy Boys, #32)
$5.79 - $68.99
The Ghost at Skeleton Rock
$5.09 - $15.89
The Viking Symbol Mystery (Hardy Boys, #42)
$4.89 - $16.59
Hardy Boys Boxed Set 1-6
$34.88
The Sting of the Scorpion (Hardy Boys #58)
$4.79 - $19.59
The Secret Panel (Hardy Boys, #25)
$5.79 - $32.95
Secret Agent on Flight 101
$4.69 - $12.59
