by WillShortz (Author)
Features two hundred all-new extra challenging puzzles. This book includes: 200 hard puzzles; big grids for easy solving; and an introduction by a legendary puzzlemaster.
Format: Paperback
Pages: 320
Edition: Csm
Publisher: St Martin's Griffin
Published: 10 Oct 2014
ISBN 10: 1250055997
ISBN 13: 9781250055996