Second Degree Brown Belt Sudoku (Martial Arts Sudoku)
by Frank Longo
ISBN 13: 9781402737169
Format: Paperback (192 pages) Publisher: Sterling Published: 25 May 2006
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Sudokugrams (Official Mensa Puzzle Book)
by Frank Longo, Alan Stillson
ISBN 13: 9781402746413
Format: Paperback (128 pages) Publisher: Sterling Published: 01 Mar 2008
Second-Degree Black Belt Sudoku® (Martial Arts Puzzles Series)
ISBN 13: 9781402737176
Format: Paperback (192 pages) Publisher: Puzzlewright Published: 25 May 2006
Designer Hip Pocket Sudoku
ISBN 13: 9781402777509
Format: Paperback (96 pages) Publisher: Puzzlewright Published: 06 Sep 2011
10 X 10 Sudoku
ISBN 13: 9781402740190
Format: Paperback (272 pages) Publisher: Sterling Publishing (NY) Published: 30 Aug 2006
Mensa Guide to Solving Sudoku: Hundreds of Puzzles and Techniques to Help You Crack Them All
by Peter Gordon,Frank Longo
ISBN 13: 9781402740114
Format: Paperback (272 pages) Publisher: Sterling Published: 07 Sep 2006
Absolutely Nasty Sudoku Level 1
by Longo, Frank Frank Longo,
ISBN 13: 9781402743962
Format: unknown_binding Publisher: Sterling Publishing Co Inc
Absolutely Nasty Sudoku Level 3 (Absolutely Nasty® Series)
ISBN 13: 9781402743986
Format: Illustrated (160 pages) Publisher: Puzzlewright Published: 01 Mar 2007
Third-Degree Black Belt Sudoku® (Martial Arts Puzzles Series)
ISBN 13: 9781402746499
Format: Illustrated (192 pages) Publisher: Puzzlewright Published: 07 Oct 2009
Second Degree White Belt Sudoku (Martial Arts Sudoku)
ISBN 13: 9781402737145
Absolutely Nasty Sudoku: Level 2
ISBN 13: 9781402743979
Format: paperback Publisher: Sterling Publishing Co Inc
Absolutely Nasty Sudoku Level 4 (Absolutely Nasty® Series)
ISBN 13: 9781402743993
Format: spiral_bound Publisher: Puzzlewright