SumSudoku: Killer Sudoku - Apps on Google Play

Killer Sudoku - Easy

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Medium Killer Sudoku: Medium Killer Sudoku : 250 Sum Sudoku Puzzles for Adults (Series #1) (Paperback)

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Ah! 111 Amazing Killer Sudoku Puzzles Volume 1: A Remarkable Collection of Logic Games, with Instructions and Answers, from Easy to Extreme, to Boost

Killer Sudoku : 400 Easy to Normal Puzzles 10x10 Volume 19 (Paperback)

A Gorgeous Killer Sudoku Trick

Overworked & Underpuzzled: Killer Sudoku - (overworked And Underpuzzled) By Tim Dedopulos (paperback) : Target

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