"It was a wonderful experience interacting with you and appreciate the way you have planned and executed the whole publication process within the agreed timelines.”
Subrat SaurabhAuthor of Kuch Woh Pal
This book is used to solve 9x9 sudoku puzzles at the hardest level. Train your brain for the sudoku mastery. You can use your free or travelling time to solve the puzzle.
Richard Honore
I am an enthusiastic software developer with basic interest in problem solving techniques
