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Puzzle Related: Books
Mefferts 1982 CatalogueIncludes a number of puzzles that were never produced.
Mefferts Challenge - Creative 3D Puzzle BallGuide book sold with the 3D Creative Puzzleball by Mefferts
Mefferts Challenge - ImpossiballGuide book sold with the Impossiball by Mefferts

Mefferts Challenge - MegaminxGuide book sold with the megaminx by Mefferts
Mefferts Challenge - Skewb UltimateGuide book sold with the skewb ultimate by Mefferts
Megaminx (book)The elementary strategy, with two types of operations only.

Mickey's ChallengePromo comic booklet for Mickey's Challenge.
Mickey's Challenge Guide bookSolution booklet sold together with the spherical skewb

Not Another Cube Book (Ballantine)Dedicated to the notion of a cube-free world



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