ISBN-13: 9781495953439 / Angielski / Miękka / 2014 / 130 str.
Easy - Challenger Sudoku Puzzles has four difficulty levels - Easy with 50 puzzles, Medium with 50 puzzles, Hard with 40 puzzles and Challenger with 40 plus solutions at the back. It also provides solving techniques to enable you handle almost every sudoku that comes your way, providing hours of challenging fun for all ages & ability levels. ENJOY & HAVE FUN