Math & Logic Puzzles
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USA Today Logic Super Challenge 2: 200 Puzzles [525487]
Retail Price $9.99Firefly Price $4.99This item is Used and is listed as being in Very Good condition. Light wear to cover, slightly bumped corners, pages clean and unmarked. Cover image may be sourced as stock images from OpenLibrary...Retail Price $9.99Firefly Price $4.99 -
Big Book of Sudoku Turquoise
Firefly Price $9.99This item is New and unaltered from when published.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...Firefly Price $9.99 -
Lewis Carroll's Guide for Insomniacs [517420]
Retail Price $19.95Firefly Price $6.99This item is Used and is listed as being in Very Good condition. The dust jacket for the item is listed as being in No Jacket condition. Light wear to cover, slightly bumped corners, pages clean and...Retail Price $19.95Firefly Price $6.99 -
Five Minute Mysteries [516623]
Retail Price $12.95Firefly Price $6.50This item is Used and is listed as being in Very Good condition. Light wear to cover, slightly bumped corners, pages clean and unmarked. Cover image may be sourced as stock images from OpenLibrary...Retail Price $12.95Firefly Price $6.50 -
Keep Your Brain Young: 575 games, puzzles, and trivia challenges [511741]
Firefly Price $9.99This 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...Firefly Price $9.99 -
The Baseball Mysteries: Challenging Puzzles for Logical Detectives [504062]
Retail Price $32.99Firefly Price $11.99This item is Used and is listed as being in Very Good condition. Light wear to cover, slightly bumped corners, pages clean and unmarked. Cover image may be sourced as stock images from OpenLibrary...Retail Price $32.99Firefly Price $11.99 -
Ultimate Brain Health Puzzle Book for Adults: Crosswords, Sudoku, Cryptograms, Word Searches, and More!
Firefly Price $12.99This item is New and unaltered from when published.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...Firefly Price $12.99 -
Will Shortz Presents Sleepy Sudoku: 200 Easy to Hard Puzzles
Firefly Price $12.99This item is New and unaltered from when published.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...Firefly Price $12.99 -
Jane Austen Escape Room Book
Firefly Price $24.99This item is New and unaltered from when published.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...Firefly Price $24.99 -
The Baseball Mysteries: Challenging Puzzles for Logical Detectives [500016]
Retail Price $32.99Firefly Price $11.99This item is Used and is listed as being in Very Good condition. Light wear to cover, slightly bumped corners, pages clean and unmarked. Cover image may be sourced as stock images from OpenLibrary...Retail Price $32.99Firefly Price $11.99 -
Great Lateral Thinking Puzzles [478264]
Retail Price $6.95Firefly Price $3.50This 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...Retail Price $6.95Firefly Price $3.50 -
Lateral Thinking Puzzlers [475746]
Retail Price $6.95Firefly 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...Retail Price $6.95Firefly Price $2.99 -
How Do You Walk on Fire?: And Other Puzzles: 101 Weird, Wonderful and Wacky Puzzles with Science [457853]
Retail Price $13.95Firefly Price $4.99This 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...Retail Price $13.95Firefly Price $4.99 -
How Do You Get an Egg Into a Bottle?: And Other Puzzles [457852]
Retail Price $13.95Firefly Price $4.99This 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...Retail Price $13.95Firefly Price $4.99 -
Tricky Mindtrap Puzzles: Challenge the Way You Think & See [457822]
Retail Price $6.95Firefly Price $3.50This 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...Retail Price $6.95Firefly Price $3.50 -
Brain Games - Find the Cat Challenge: Search for a Hidden Cat in More Than 125 Pictures! (Brain Games - Picture Puzzles) [441933]
Retail Price $12.98Firefly Price $6.50This 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...Retail Price $12.98Firefly Price $6.50 -
How do you Survive a Duel? And Othere Mathematical Diversions, Puzzles and Brainteasers [438649]
Firefly Price $5.99This 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...Firefly Price $5.99 -
World's Most Perplexing Puzzles [396862]
Firefly Price $3.99This 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...Firefly Price $3.99 -
One-Minute Brainteasers: Official American Mensa Puzzle Book (Mensa�) [394158]
Retail Price $6.95Firefly Price $3.50This 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...Retail Price $6.95Firefly Price $3.50 -
Star Battle Puzzles [392930]
Retail Price $9.99Firefly Price $5.99This item is Used and is listed as being in Very Good condition. Front and back covers have very light edge and corner wear. Spine intact with no creasing or warping. Binding is tight and intact,...Retail Price $9.99Firefly Price $5.99