Sudoku: Easy v. 1: 100 Wordless Crossword Puzzles
by Will Shortz
ISBN 13: 9780312355029
Format: Paperback (128 pages) Publisher: Saint Martin's Press Inc. Published: 15 Sep 2005
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Will Shortz Presents the Monster Book of Sudoku: 300 Wordless Crossword Puzzles
ISBN 13: 9780312362690
Format: Paperback (368 pages) Publisher: St. Martin's Griffin Published: 04 Apr 2006
How to Have Creative Ideas: 62 Exercises to Develop the Mind
by Edward De Bono
ISBN 13: 9780091910488
Format: Paperback (192 pages) Publisher: Vermilion Published: 26 Apr 2007
Match Wits with Mensa: The Complete Quiz Book (Mensa Genius Quiz)
by Abbie Salny,Alan Stillson,Marvin Grosswirth
ISBN 13: 9780738202501
Format: Illustrated (648 pages) Publisher: Da Capo Press Published: 04 Nov 1999
Brain-training: Medium 2 (Brain Training Puzzles): Book 2
by Carlton Books
ISBN 13: 9781847321947
Format: Paperback (176 pages) Publisher: Carlton Books Ltd Published: 01 Sep 2008
IQ Puzzles (Puzzle Books)
by Lagoon Books
ISBN 13: 9781899712687
Format: Hardcover (96 pages) Publisher: Lagoon Books Published: 01 Sep 1998
The Ultimate Book of Sudoku: 401 Puzzles! (Volume 1) Su doku: No. 1 (Ultimate Book of Sudoku S.)
by Pete Sinden
ISBN 13: 9781905102426
Format: Paperback (240 pages) Publisher: Crombie Jardine Publishing Limited Published: 22 Jul 2005 Other Format: Paperback
Brain Power: Unlock the Power of Your Mind
by J.Graham Beaumont
ISBN 13: 9781856276733
Format: Paperback (256 pages) Publisher: Grange Books Ltd Published: Sep 1994
Sudoku 2: Easy to Hard: 100 Wordless Crossword Puzzles: 02 (Sudoku Easy to Hard)
ISBN 13: 9780312355036
Format: Illustrated (130 pages) Publisher: St Martin's Press Published: 15 Sep 2005
Chinese Brain Twisters: Fast, Fun Puzzles That Help Children Develop Quick Minds
by Baifang Baifang
ISBN 13: 9780471595052
Format: Illustrated (130 pages) Publisher: J.W. Published: 12 Jan 1994
Mind-Bending Conundrums and Puzzles
by Nick Hoare,Simon Melhuish,Linley Clode
ISBN 13: 9781899712038
Format: Hardcover (96 pages) Publisher: Lagoon Books Published: Jun 1995
Su Doku Medal Quartet - Su Doku Silver
by Wayne Gould
ISBN 13: 9780007274482
Format: Paperback (240 pages) Publisher: Collins Published: 01 Sep 2008