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Hello all. My new book WORLD OF SUDOKU PRESENTS CHALLENGING SUDOKU: VOL # 1 is now available on Amazon in paperback format and on Payhip in PDF format.
This book contains 150 handcrafted classic sudokus.
The sudokus are hard and challenging, yet they can all be solved without the
use of any advanced strategies or guess work. All you need is the knowledge of
basic sudoku techniques and a bit of perseverance when you are stuck in a
puzzle and you should be able to crack the puzzle.
All the sudokus are provided with online solving links to Penpa as well
as Sudokupad so that the solvers can also solve the puzzles on their gadgets.
All the sudokus are test solved by Édouard Lebeau and his solving times
are mentioned with each puzzle.
I
hope the book will be fun to solve. It also serves as an ideal practice
material for sudoku championships as the difficulty level is similar to the
ones that appear in various sudoku championships.
Link to Amazon https://www.amazon.com/dp/B0GYRD8DLW
Link to Payhip https://payhip.com/b/n1JIf
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