Book Details: ✅ Thanks to its optimised size, you can always carry it with you. ✅ Features a user-friendly layout with only 1 puzzles per page, with ample space for note-taking and calculation. ✅ Sudoku puzzles to challenge your brain and keep you entertained for hours. ✅ Comes with solutions for every puzzle, allowing you to check your answers or get help when you're stuck. ✅ Ideal for developing logical thinking skills and improving concentration. ✅ A great gift for puzzle lovers of all ages, for both leisure and brain training purposes.