ebooks (also available in print form)
|All ebook prices now reduced to $2.99 on Kindle or £1 directly from the author (email@example.com)!|
|How to trade on the financial markets and perhaps make some money!||How to solve a special class of sudoku puzzles: those with 17 clues, the minimum number.|
|How to solve sudoku puzzles, including idoku, samurai sudoku kakuro and killer sudoku.||Why it is time once and for all to give up on the Imperial system of units for everyday uses and fully embrace the metric system.|
Website revised by John Austin, 29/01/2020. © Enigma Scientific Publishing, 2020.