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by Stewart T. Coffin
(Oxford U. Press 1990, 8.75" x 5.75", hard cover, 196 pages, signed by the author)
Geometric Puzzle Design
by Stewart T. Coffin
(A. K. Peters 2007, 9 inches by 6 inches, soft cover, 204 pages)
Many of the classic designs of one of the great designers of these type of puzzles. The second book is basically a revised edition of the first, which was published on CD and then made available in 1998 at: http://www.johnrausch.com/PuzzlingWorld/default.htm