Killer Sudoku - 200 Hard to Master Puzzles 9x9 Volume 12

Createspace Independent Publishing Platform sudoku

Killer Sudoku (also called "Sums Sudoku", "Sums Number Place", "Samunamupure", "Kikagaku Nampure") is a puzzle that combines elements of Sudoku and Kakuro. Despite the name, the simpler killer sudokus ca