![Serene Sudoku: Hundreds of Sudoku puzzles to help calm your mind (Overworked and Underpuzzled)](http://monsterbookshop.co.uk/cdn/shop/products/9781787393851.jpg?v=1689824844&width=1445)
Continuing the popular Overworked & Underpuzzled series, Serene Sudoku contains almost 200 of the ever-popular Sudoku puzzles to help focus your frazzled mind. There are nearly 200 puzzles, all of which are perfect for anyone who needs something to focus on during a brief break in their busy day. With multiple levels of difficulty provided, this is the perfect puzzle book for anyone who works too hard and loves the serene logic of a Sudoku.