The Tower Treasure
$4.79 - $26.09
The Secret of the Caves (Hardy Boys, #7)
$4.39 - $22.79
The Secret of the Old Mill
$4.39 - $21.35
The House on the Cliff
$4.29 - $23.19
The Mystery of Cabin Island (Hardy Boys, #8)
$4.79 - $28.34
The Great Airport Mystery (Hardy Boys, #9)
$4.89 - $30.79
The Shore Road Mystery
$4.69 - $35.79
Hunting for Hidden Gold (Hardy Boys, #5)
$4.79 - $93.79
The Missing Chums (Hardy Boys, #4)
$4.99 - $21.73
What Happened at Midnight
$5.39 - $10.35
While the Clock Ticked
$4.19 - $38.39
Footprints Under the Window
$5.29 - $20.99
The Disappearing Floor
$4.49 - $33.49
The Hidden Harbor Mystery (The Hardy Boys, #14)
$4.89 - $30.49
The Secret Warning
$4.89 - $15.88
The Mark on the Door
$4.89 - $45.59
A Figure in Hiding (Hardy Boys, #16)
$4.09 - $16.49
The Sinister Signpost (Hardy Boys, #15)
$4.69 - $263.99
The Secret of Wildcat Swamp
$4.69 - $9.59
The Mystery of the Spiral Bridge
$4.99 - $17.89
The Mystery of the Chinese Junk
$4.59 - $9.79
The Haunted Fort (Hardy Boys, #44)
$5.49 - $9.66
The Clue in the Embers
$4.99 - $22.49
The Tower Treasure / The House on the Cliff (Hardy Boys, #1-2)
$3.99 - $12.82
The Twisted Claw
$4.69 - $28.79
The Crisscross Shadow (Hardy Boys, #32)
$4.89 - $9.33
The Hooded Hawk Mystery (Hardy Boys, #34)
$5.29 - $26.49
The Ghost at Skeleton Rock
$6.09 - $15.19
The Secret of Pirates' Hill (Hardy Boys, #36)
$4.29 - $18.69
Mystery of the Flying Express (Hardy Boys, #20)
$4.89 - $9.86