Download or read book The Little Book of Sudoku 3 written by Alastair Chisholm and published by Michael O'Mara. This book was released on 2016-04-14 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: 201 fiendishly difficult puzzles in five excruciatingly advanced levels, for the really skilled and dedicated Sudoku fan. The super difficult puzzles inside will tax even the most agile Sudoku brains - these are the toughest, meanest grids yet.