The Secret of the Caves (Hardy Boys, #7)
$4.19 - $25.59
The Tower Treasure
$4.59 - $62.69
The Secret of the Old Mill
$4.39 - $27.99
The House on the Cliff
$4.29 - $27.99
The Mystery of Cabin Island (Hardy Boys, #8)
$4.79 - $28.34
The Great Airport Mystery (Hardy Boys, #9)
$4.69 - $22.19
Hunting for Hidden Gold (Hardy Boys, #5)
$4.79 - $21.81
The Shore Road Mystery
$4.69 - $31.99
The Missing Chums (Hardy Boys, #4)
$4.99 - $28.99
What Happened at Midnight
$5.09 - $23.49
While the Clock Ticked
$4.69 - $44.49
Footprints Under the Window
$4.69 - $25.79
The Hidden Harbor Mystery (The Hardy Boys, #14)
$5.19 - $23.19
The Tower Treasure / The House on the Cliff (Hardy Boys, #1-2)
$4.79 - $13.84
The Secret Warning
$5.79 - $14.89
The Mark on the Door
$4.89 - $72.79
The Secret of Pirates' Hill (Hardy Boys, #36)
$4.49 - $15.09
A Figure in Hiding (Hardy Boys, #16)
$4.89 - $18.09
The Disappearing Floor
$4.99 - $25.19
The Sinister Signpost (Hardy Boys, #15)
$4.69 - $263.99
The Secret of Wildcat Swamp
$4.49 - $10.66
The Mystery of the Spiral Bridge
$4.39 - $9.61
The Mystery of the Chinese Junk
$4.99 - $9.29
The Clue in the Embers
$5.29 - $18.99
The Clue of the Screeching Owl (Hardy Boys, #41)
$4.79 - $9.61
The Twisted Claw
$5.09 - $19.89
The Crisscross Shadow (Hardy Boys, #32)
$4.69 - $10.66
The Hooded Hawk Mystery (Hardy Boys, #34)
$3.79 - $17.29
The Ghost at Skeleton Rock
$5.09 - $30.09
The Viking Symbol Mystery (Hardy Boys, #42)
$5.79 - $15.69
