There are plenty of number puzzles to test your mental arithmetic and problem solving skills. The book also features a simple Sudoku tutorial at the start, featuring invaluable tips and tricks.
192 pages
For Age 9 +
There are plenty of number puzzles to test your mental arithmetic and problem solving skills. The book also features a simple Sudoku tutorial at the start, featuring invaluable tips and tricks.
192 pages
For Age 9 +
