Mystery
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The Secret Agent On Flight 101 46 Hardy Boys [519220]
Retail Price $7.99Firefly Price $2.99This item is Used and is listed as being in Good condition. Blue spine, matte cover. Black and white multi-scene endpapers. Front and back covers have wear to edges and bumped corners. Spine intact, some wear. Binding is intact. Pages are generally clean...Retail Price $7.99Firefly Price $2.99 -
The Mystery of the Aztec Warrior 43 Hardy Boys [519219]
Retail Price $7.99Firefly Price $2.99This item is Used and is listed as being in Good condition. Blue spine, matte cover. Black and white multi-scene endpapers. Front and back covers have wear to edges and bumped corners. Spine intact, some wear. Binding is intact. Pages are generally clean...Retail Price $7.99Firefly Price $2.99 -
![The Yellow Feather Mystery 33 Hardy Boys [519218]](https://cdn11.bigcommerce.com/s-12263/stencil/31f3f1e0-48df-013f-0189-56998cbffc37/img/ProductDefault.gif)
The Yellow Feather Mystery 33 Hardy Boys [519218]
Firefly Price $2.99This item is Used and is listed as being in Good condition. Blue spine, matte cover. Brown and white endpapers. Front and back covers are tanned, have wear to edges and bumped corners. Spine intact, some wear. Binding is intact. Pages are tanned but...Firefly Price $2.99 -
The Crisscross Shadow 32 Hardy Boys [519217]
Retail Price $6.99Firefly Price $2.99This item is Used and is listed as being in Good condition. Blue spine, matte cover. Black and white endpapers. Front and back covers have wear to edges and bumped corners. Spine intact, some wear. Binding is intact. Pages are generally clean with edge...Retail Price $6.99Firefly Price $2.99 -
The Crisscross Shadow 32 Hardy Boys [519216]
Retail Price $6.99Firefly Price $2.99This item is Used and is listed as being in Good condition. Blue spine, matte cover. Brown and white endpapers. Front and back covers have wear to edges and bumped corners. Spine intact, some wear. Binding is intact. Pages are generally clean with edge...Retail Price $6.99Firefly Price $2.99 -
The Secret Panel 25 Hardy Boys [519214]
Retail Price $10.99Firefly Price $2.99This item is Used and is listed as being in Good condition. Blue spine, matte cover. Black and white endpapers. Front and back covers have wear to edges and bumped corners. Spine intact, some wear. Binding is intact. Pages are tanned but generally clean...Retail Price $10.99Firefly Price $2.99 -
The Twisted Claw 18 Hardy Boys [519213]
Retail Price $7.99Firefly Price $2.99This item is Used and is listed as being in Good condition. Blue spine, matte cover. Oval portrait endpapers. Front and back covers have wear to edges and bumped corners. Spine intact, some wear. Binding is intact. Pages are tanned but generally clean...Retail Price $7.99Firefly Price $2.99 -
The Sinister Signpost 15 Hardy Boys [519212]
Retail Price $7.99Firefly Price $2.99This item is Used and is listed as being in Good condition. Blue spine, matte cover. Black and white multi-scene endpapers. Front and back covers have wear to edges and bumped corners. Spine intact, some wear. Binding is intact. Pages are generally clean...Retail Price $7.99Firefly Price $2.99 -
While the Clock Ticked 11 Hardy Boys [519211]
Retail Price $6.99Firefly Price $2.99This item is Used and is listed as being in Good condition. Blue spine, matte cover. Black and white multi-scene endpapers. Front and back covers have wear to edges and bumped corners. Spine intact, some wear. Binding is intact. Pages are generally clean...Retail Price $6.99Firefly Price $2.99 -
What Happened at Midnight 10 Hardy Boys [519210]
Retail Price $6.99Firefly Price $2.99This item is Used and is listed as being in Good condition. Blue spine, matte cover. Brown and white multiscene endpapers. Front and back covers have wear to edges and bumped corners. Spine intact, some wear. Binding is intact. Inscription to a previous...Retail Price $6.99Firefly Price $2.99 -
The Great Airport Mystery 9 Hardy Boys [519209]
Retail Price $7.99Firefly Price $2.99This item is Used and is listed as being in Good condition. Blue spine, matte cover. Brown and white multiscene endpapers. Front and back covers have wear to edges and bumped corners. Spine intact, some wear. Binding is intact. Mark in pen on inside of...Retail Price $7.99Firefly Price $2.99 -
The Mystery of Cabin Island 8 Hardy Boys [519208]
Retail Price $7.99Firefly Price $2.99This item is Used and is listed as being in Good condition. Blue spine, matte cover. Black and white multiscene endpapers. Front and back covers have wear to edges and bumped corners. Spine intact, some wear. Binding is intact. Pages are generally clean...Retail Price $7.99Firefly Price $2.99 -
The Secret of the Caves 7 Hardy Boys [519207]
Firefly Price $2.99This item is Used and is listed as being in Good condition. Blue spine, matte cover. Brown and white multiscene endpapers. Front and back covers have wear to edges and bumped corners; Small stain on back cover. Spine intact, some wear. Binding is intact...Firefly Price $2.99 -
The Secret of the Caves 7 Hardy Boys [519206]
Firefly Price $2.99This item is Used and is listed as being in Good condition. Blue spine, matte cover. Black + white multiscene endpapers. Front and back covers have minor stains, wear to edges and bumped corners. Spine intact, some wear. Binding is intact. Pages are...Firefly Price $2.99 -
The Tower Treasure 1 Hardy Boys [519205]
Retail Price $8.99Firefly Price $2.99This item is Used and is listed as being in Good condition. Blue spine, matte cover. Front and back covers have wear to edges and bumped corners. Spine intact, some wear. Binding is intact. Pages are generally clean with edge or corner wear. Cover image...Retail Price $8.99Firefly Price $2.99 -
One False Note 2 39 Clues [519196]
Retail Price $12.99Firefly Price $4.99This item is Used and is listed as being in Good condition. Cover image may be sourced as stock images from OpenLibrary.org and may not represent the actual item or cover art. If you need images of this specific item, please contact us. Firefly SKU:...Retail Price $12.99Firefly Price $4.99 -
Snakehead 6 Alex Rider [518920]
Retail Price $17.99Firefly Price $5.99This item is Used and is listed as being in Good condition. The dust jacket for the item is listed as being in Good condition. Wear to cover, bumped corners, pages tanned but clean and unmarked. Cover image may be sourced as stock images from OpenLibrary...Retail Price $17.99Firefly Price $5.99 -
The Phantom Surfer 6 Dana Girls Mystery Stories [518576]
Firefly Price $4.99This item is Used and is listed as being in Good condition. (1972-1979) White framed cover. Black and white patterned endpapers. Front and back covers have wear to edges and bumped corners. Spine intact, some wear. Binding is intact. Pages are generally...Firefly Price $4.99 -
The Secret of the Jade Ring 15 Dana Girls Mystery Stories [518569]
Firefly Price $4.99This item is Used and is listed as being in Good condition. (1962-1968) Full pictoral cover. Green and white pictoral endpapers. Front and back covers have wear to edges and bumped corners. Spine intact, some wear. Binding is intact. Pages are generally...Firefly Price $4.99 -
The Clue in the Ivy 14 Dana Girls Mystery Stories [518567]
Firefly Price $4.99This item is Used and is listed as being in Good condition. (1962-1968) Full pictoral cover. Green and white pictoral endpapers. Front and back covers have wear to edges and bumped corners. Spine intact, some wear. Binding is intact. Pages are generally...Firefly Price $4.99