Mystery
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![The Secret Agent on Flight 101 46 Hardy Boys [491580]](https://cdn11.bigcommerce.com/s-12263/stencil/6614f220-bd0d-013e-5a68-1ef4e2705301/img/ProductDefault.gif)
The Secret Agent on Flight 101 46 Hardy Boys [491580]
Firefly Price $2.99This item is Used and is listed as being in Good condition. 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 may be sourced as stock...Firefly Price $2.99 -
The Viking Symbol Mystery 42 Hardy Boys [491578]
Retail Price $10.99Firefly Price $2.99This item is Used and is listed as being in Good condition. 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 may be sourced as stock...Retail Price $10.99Firefly Price $2.99 -
The Shore Road Mystery 6 Hardy Boys [491576]
Retail Price $7.99Firefly Price $2.99This item is Used and is listed as being in Good condition. 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 may be sourced as stock...Retail Price $7.99Firefly Price $2.99 -
Hunting for Hidden Gold 5 Hardy Boys [491575]
Retail Price $6.99Firefly Price $3.99This item is Used and is listed as being in Very Good condition. Front and back covers have light edge and corner wear. Spine intact with no creasing or warping. Binding is tight and intact, pages clean and unmarked. Cover image may be sourced as stock...Retail Price $6.99Firefly Price $3.99 -
The Short-Wave Mystery 24 Hardy Boys [491574]
Retail Price $7.99Firefly Price $3.99This item is Used and is listed as being in Very Good condition. Front and back covers have light edge and corner wear. Spine intact with no creasing or warping. Binding is tight and intact, pages clean and unmarked. Cover image may be sourced as stock...Retail Price $7.99Firefly Price $3.99 -
Encyclopedia Brown Sets the Pace [491206]
Firefly Price $2.99This 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:...Firefly Price $2.99 -
Encyclopedia Brown Solves Them All [491205]
Firefly Price $2.99This 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:...Firefly Price $2.99 -
Spy School Goes Wild (Reprint)
Firefly Price $8.99This item is New and unaltered from when published.This item will be released on October 07, 2025 and will ship to arrive on or shortly after that date. Cover image may be sourced as stock images from OpenLibrary.org and may not represent the actual item...Firefly Price $8.99 -
CAM Jansen and the Joke House Mystery [490725]
Retail Price $5.99Firefly Price $2.99This item is Used and is listed as being in Very Good condition. Front and back covers have light edge and corner wear. Spine intact with no creasing or warping. Binding is tight and intact, pages clean and unmarked. Cover image may be sourced as stock...Retail Price $5.99Firefly Price $2.99 -
The Mystery of the Carnival Prize 9 Cam Jansen [490724]
Firefly Price $1.99This item is Used and is listed as being in Very Good condition. Front and back covers have light edge and corner wear. Spine intact with no creasing or warping. Binding is tight and intact, pages clean and unmarked. Cover image may be sourced as stock...Firefly Price $1.99 -
Cam Jansen and the Mystery at the Monkey House [490723]
Firefly Price $2.99This item is Used and is listed as being in Very Good condition. Front and back covers have light edge and corner wear. Spine intact with no creasing or warping. Binding is tight and intact, pages clean and unmarked. Cover image may be sourced as stock...Firefly Price $2.99 -
The Mystery of the Carnival Prize 9 Cam Jansen [490722]
Firefly Price $1.99This item is Used and is listed as being in Very Good condition. Front and back covers have light edge and corner wear. Spine intact with no creasing or warping. Binding is tight and intact, pages clean and unmarked. Cover image may be sourced as stock...Firefly Price $1.99 -
The Mystery of the Stolen Corn Popper 11 Cam Jansen [490721]
Retail Price $5.99Firefly Price $2.99This item is Used and is listed as being in Very Good condition. Front and back covers have light edge and corner wear. Spine intact with no creasing or warping. Binding is tight and intact, pages clean and unmarked. Cover image may be sourced as stock...Retail Price $5.99Firefly Price $2.99 -
The Mystery of the Dinosaur Bones 3 Cam Jansen [490720]
Retail Price $5.99Firefly Price $2.99This item is Used and is listed as being in Very Good condition. Front and back covers have light edge and corner wear. Spine intact with no creasing or warping. Binding is tight and intact, pages clean and unmarked. Cover image may be sourced as stock...Retail Price $5.99Firefly Price $2.99 -
Cam Jansen and the Mystery of the Stolen Diamonds [490712]
Retail Price $3.99Firefly Price $2.99This item is Used and is listed as being in Very Good condition. Front and back covers have light edge and corner wear. Spine intact with no creasing or warping. Binding is tight and intact, pages clean and unmarked. Cover image may be sourced as stock...Retail Price $3.99Firefly Price $2.99 -
Cam Jansen and the School Play Mystery [490704]
Retail Price $4.99Firefly Price $2.50This item is Used and is listed as being in Very Good condition. Front and back covers have light edge and corner wear. Spine intact with no creasing or warping. Binding is tight and intact, pages clean and unmarked. Cover image may be sourced as stock...Retail Price $4.99Firefly Price $2.50 -
Behind the Curtain (Echo Falls Mystery) [490527]
Retail Price $15.99Firefly Price $5.99This 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 $15.99Firefly Price $5.99 -
The Case of the Sneaky Snowman 5 Nancy Drew and the Clue Crew [489386]
Firefly Price $2.99This item is Used and is listed as being in Very Good condition. Front and back covers have light edge and corner wear. Spine intact with no creasing or warping. Binding is tight and intact, pages clean and unmarked. Cover image may be sourced as stock...Firefly Price $2.99 -
The Hidden Staircase 2 Nancy Drew [488027]
Retail Price $6.99Firefly Price $4.50This item is Used and is listed as being in Very 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 $6.99Firefly Price $4.50 -
The Bungalow Mystery 3 Nancy Drew [488026]
Retail Price $7.99Firefly Price $4.50This item is Used and is listed as being in Very 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 $7.99Firefly Price $4.50