The Secret of the Caves (Hardy Boys, #7)
$4.79 - $32.11
The Tower Treasure
$3.79 - $36.99
The House on the Cliff
$4.99 - $30.99
The Mystery of Cabin Island (Hardy Boys, #8)
$5.29 - $32.99
The Secret of the Old Mill
$4.79 - $27.99
The Shore Road Mystery
$4.89 - $35.09
Hunting for Hidden Gold (Hardy Boys, #5)
$4.89 - $38.28
The Great Airport Mystery (Hardy Boys, #9)
$4.89 - $15.89
The Missing Chums (Hardy Boys, #4)
$4.99 - $30.99
What Happened at Midnight
$5.09 - $78.99
While the Clock Ticked
$5.19 - $46.59
The Tower Treasure / The House on the Cliff (Hardy Boys, #1-2)
$4.69 - $14.06
Footprints Under the Window
$5.09 - $19.29
The Mark on the Door
$4.79 - $31.19
The Secret Warning
$5.99 - $11.79
The Secret of Pirates' Hill (Hardy Boys, #36)
$4.79 - $26.49
The Disappearing Floor
$5.59 - $12.59
The Sinister Signpost (Hardy Boys, #15)
$4.79 - $72.99
The Hidden Harbor Mystery (The Hardy Boys, #14)
$5.49 - $53.29
The Secret of Wildcat Swamp
$4.79 - $10.86
The Mystery of the Chinese Junk
$4.49 - $13.49
The Crisscross Shadow (Hardy Boys, #32)
$5.89 - $10.86
The Clue of the Screeching Owl (Hardy Boys, #41)
$4.89 - $10.61
The Ghost at Skeleton Rock
$4.89 - $15.89
A Figure in Hiding (Hardy Boys, #16)
$5.59 - $15.32
The Secret Panel (Hardy Boys, #25)
$5.39 - $32.95
Hardy Boys Boxed Set 1-6
$10.99 - $33.71
Secret Agent on Flight 101
$4.69 - $13.79
The Mystery at Devil's Paw
$4.79 - $10.07
The Mystery of the Spiral Bridge
$4.69 - $14.09
