Ultimate IQ Tests: 1000 Practice Test Questions to Boost Your Brain Power
by Ken Russell
ISBN 13: 9780749453091
Format: Paperback (320 pages) Publisher: Kogan Page Published: 03 Dec 2008
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"Times" Quiz Book
by Howard Robin, Tom Kremer
ISBN 13: 9780723008422
Format: Paperback (208 pages) Publisher: Times Books Published: 04 Apr 1996 Other Format: Paperback
The Daily Telegraph Book of Codewords
by Telegraph Group Limited Telegraph Group Limited
ISBN 13: 9780330442275
Format: Unabridged (160 pages) Publisher: Pan Published: 17 Feb 2006
Sudoku: The Essential Collection
by Box Nine
ISBN 13: 9780955369414
Format: Paperback (271 pages) Publisher: Box Nine Published: 22 Sep 2006
Improve Your IQ: Over 250 Mind-bending Puzzles (The puzzle library)
by
ISBN 13: 9780862881979
Format: Paperback (208 pages) Publisher: Greenwich Editions,U.S. Published: 04 Mar 1999
Will Shortz Presents The Dangerous Book of Sudoku: 100 Devilishly Difficult Puzzles
by Will Shortz
ISBN 13: 9780312541606
Format: Paperback (128 pages) Publisher: St. Martin's Griffin Published: 02 Apr 2009
The Original Sudoku Book 2
by Editors of Nikoli Publishing
ISBN 13: 9780761142966
Format: Illustrated (444 pages) Publisher: Workman Adult Published: 24 Feb 2006
My Best Mathematical and Logic Puzzles (Dover Recreational Math): vii
by Martin Gardner
ISBN 13: 9780486281520
Format: Paperback (96 pages) Publisher: Dover Publications, Incorporated Published: 16 Feb 2016
The Times Samurai Su Doku: 100 extreme puzzles for the fearless Su Doku warrior (The Times Su Doku)
by . The Times Mind Games
ISBN 13: 9780007241651
Format: Paperback (224 pages) Publisher: Times Books Published: 04 Sep 2006
Geometric Patterns for Patchwork Quilts
by Robert Field
ISBN 13: 9781899618415
Format: Paperback (68 pages) Publisher: Tarquin Published: 02 Feb 2001
Cracking Codes and Cryptograms for Dummies
by Denise Sutherland,Mark Koltko-Rivera
ISBN 13: 9780470591000
Format: Illustrated (336 pages) Publisher: For Dummies Published: 27 Oct 2009
Brain Power: Learn To Improve Your Thinking Skills
by Karl Albrecht
ISBN 13: 9780671761981
Format: Illustrated (320 pages) Publisher: Touchstone Published: 01 Oct 1994