Based on the strong sales success of Books 1, 2, and 3 in the series, book 4 brings a new twist by adding Sudoku Sums, puzzles that do involve calculations
Plus, more dual and Wordoku puzzles. Sudoku Sums provide two-cell sum clues and regular Sudoku number clues to add up to a very interesting puzzle, yet one that is easy to grasp and fun to play. Sudoku puzzleists will enjoy this double way of having to approach the puzzle. Super Variety Sudoku Book 4 includes: Definitions of terms; History of Sudoku; Sample puzzle demonstrating puzzle strategies; 120 puzzles at all levels of play; Solutions section