Do you have an Amazon Kindle? (there is also a Kindle Wireless Reading Device (6″ Display, Global Wireless, Latest Generation) available), than you can now sharpen your mind and strengthen your logic skills with Sudoku logic puzzles complete with step-by-step deductive solutions for every puzzle.
Broaden your logic skills with new puzzle types or more challenging puzzles. In this series, puzzle difficulty ranges from Challenging to Tournament. A second version of every puzzle is provided showing the empty locations that need to be filled in by the first three steps of the deductive [Read More...]