The Secret of the Caves (Hardy Boys, #7)
$4.29 - $35.79
The Tower Treasure
$4.89 - $27.99
The House on the Cliff
$4.79 - $30.99
The Mystery of Cabin Island (Hardy Boys, #8)
$4.59 - $32.99
The Secret of the Old Mill
$4.79 - $30.95
The Shore Road Mystery
$5.09 - $30.95
Hunting for Hidden Gold (Hardy Boys, #5)
$4.89 - $39.03
The Great Airport Mystery (Hardy Boys, #9)
$4.89 - $49.39
What Happened at Midnight
$5.39 - $78.89
The Missing Chums (Hardy Boys, #4)
$4.99 - $30.99
While the Clock Ticked
$4.79 - $34.99
The Tower Treasure / The House on the Cliff (Hardy Boys, #1-2)
$4.69 - $14.06
Footprints Under the Window
$5.39 - $19.29
The Clue of the Screeching Owl (Hardy Boys, #41)
$5.29 - $12.49
The Secret Warning
$5.29 - $10.70
The Mark on the Door
$4.29 - $22.79
The Secret of Pirates' Hill (Hardy Boys, #36)
$4.59 - $26.49
The Disappearing Floor
$5.49 - $30.29
The Sinister Signpost (Hardy Boys, #15)
$4.99 - $210.39
The Hidden Harbor Mystery (The Hardy Boys, #14)
$5.39 - $46.79
The Secret of Wildcat Swamp
$5.29 - $10.86
The Mystery of the Chinese Junk
$4.79 - $11.89
The Crisscross Shadow (Hardy Boys, #32)
$4.59 - $10.86
The Ghost at Skeleton Rock
$4.99 - $18.89
A Figure in Hiding (Hardy Boys, #16)
$5.19 - $15.32
The Secret Panel (Hardy Boys, #25)
$5.29 - $32.95
Hardy Boys Boxed Set 1-6
$34.37
Secret Agent on Flight 101
$5.29 - $10.68
The Mystery at Devil's Paw
$5.19 - $10.07
The Mystery of the Spiral Bridge
$5.19 - $15.89
