Robert A.V. Jacobs....Author
Non-Fiction
A series of Sudoku puzzles, in two versions, colour and monochrome.
The puzzles are unique and produced by a computer program written by the author.
Click on a cover image to see an example.
Sudoku, Food for the Mind
ISBN-13-9781481061223
Colour Edition
Sudoku, Food for the Mind, colour edition is a collection of Sudoku puzzles in fifteen levels, grouped as five easy levels, five mild levels and five hard levels. There are fifty puzzles in each of the three groups. These are not puzzles copied from other sources, but are original puzzles generated by a program written by the author.
A playing card version of the program is available on the www.web-solitaire site.co.uk.
Also available from Lulu
Only available as Print Versions
Sudoku, Food for the Mind
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Monochrome Edition
Sudoku, Food for the Mind, monochrome edition is a collection of Sudoku puzzles in fifteen levels, grouped as five easy levels, five mild levels and five hard levels. There are fifty puzzles in each of the three groups. These are not puzzles copied from other sources, but are original puzzles generated by a program written by the author.
A playing card version of the program is available on the www.web-solitaire site.co.uk.
Also available from Lulu
Only available as Print Versions