Mensa Genius Quiz: Bk. 2 (Mensa Genius Quiz Book Two)
by Marvin Grosswirth, Abbie F. Salny
ISBN 13: 9780201059588
Format: Paperback (159 pages) Publisher: Da Capo Press Inc Published: 01 Jan 1983
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Will Shortz Presents Kenken to Go: 100 Easy to Hard Logic Puzzles That Make You Smarter
by Tetsuya Miyamoto
ISBN 13: 9780312607944
Format: Paperback (128 pages) Publisher: St. Martin's Griffin Published: 05 Jan 2010
Will Shortz Presents Summertime Sudoku: 100 Wordless Crossword Puzzles
by
ISBN 13: 9780312588441
Format: Paperback (128 pages) Publisher: St. Martin's Griffin Published: 07 Jun 2011
Train Your Brain: A Year's Worth of Puzzles
by George Gratzer
ISBN 13: 9781568817101
Format: Paperback (253 pages) Publisher: A K Peters/CRC Press Published: 11 Apr 2011
Will Shortz Presents Extreme Sudoku: 100 Challenging Puzzles
ISBN 13: 9780312681463
Format: Paperback (128 pages) Publisher: St. Martin's Griffin Published: 15 Feb 2011
Will Shortz Presents Tricky Sudoku
by Will Shortz
ISBN 13: 9780312588380
Format: Paperback (320 pages) Publisher: St Martin's Griffin Published: 06 Jun 2011
Will Shortz Presents Trickiest Sudoku
ISBN 13: 9780312590604
The Simple Book of Not-so-simple Puzzles
by Serhiy Grabarchuk,Peter Grabarchuk,Serhiy Grabarchuk Jr.
ISBN 13: 9781568814186
Format: Paperback (119 pages) Publisher: A K Peters/CRC Press Published: 11 Feb 2008
Piano-hinged Dissections: Time to Fold!
by Greg N. Frederickson
ISBN 13: 9781568812991
Format: Hardcover (320 pages) Publisher: A K Peters/CRC Press Published: 30 Nov 2006
Will Shortz Presents Supreme Sudoku: 1000 Wordless Crossword Puzzles
ISBN 13: 9780312681517
Format: Paperback (560 pages) Publisher: St. Martin's Griffin Published: 12 Apr 2011
Will Shortz Presents the Zen of Kenken
ISBN 13: 9780312681524
Format: Paperback (128 pages) Publisher: St. Martin's Griffin Published: 26 Apr 2011
Brain Games (Brain Games (Numbered))
ISBN 13: 9781412714501
Format: Spiral-bound (192 pages) Publisher: Publications International Published: Apr 2009