Sudoku Sums Book 5 Author:James Riley From the bestselling author of Super Sudoku Books 1 & 2 and Super Easy Sudoku comes a new twist on Sudoku and more fun to play than Kakuro.Two-cell sum clues and regular Sudoku number clues add up to a very interesting puzzle, yet one that is easy to grasp and fun to play.Includes: Definition of terms History of Sudoku Sample puzzles and solv... more »ing strategies Solutions sectionWith over 70 puzzles to choose from, Sudoku puzzlers will have hours of fun.« less