Master Sudoku: Puzzles of Varying Difficulty, Volume 1
by Marc Colello
ISBN 13: 9781411643154
Format: Paperback (95 pages) Publisher: Lulu.com Published: 08 Sep 2005
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Will Shortz Presents Kenken for Your Coffee Break: 100 Challenging Logic Puzzles That Make You Smarter
by Will Shortz,Tetsuya Miyamoto
ISBN 13: 9780312595593
Format: Illustrated (130 pages) Publisher: St. Martins Press-3PL Published: 07 Jul 2009
Special Events (Ideas Library) (The Ideas Library)
by Youth Specialties
ISBN 13: 9780310220404
Format: Paperback (208 pages) Publisher: Zondervan Published: 01 Oct 1997
The Sun Two-Speed Crossword Book 8: 80 two-in-one cryptic and coffee time crosswords: 08 (The Sun Puzzle Books)
by Sun
ISBN 13: 9780007210404
Format: Paperback (192 pages) Publisher: HarperNonFiction Published: 03 Oct 2005