Calcudoku puzzle forum - View topic - Killer Sudoku 16x16
Killer Sudoku : 80 Large Sudoku Puzzles: Sudoku for adults - 80 large sudokus puzzles with a 16x16 grid per page - Large print Sudoku (8.5 x 11 inches): Addict, Sudoku: 9798617592568: Amazon.com: Books
Sudoku 16x16 by Vladimir Kussakov
Can You Spot the Mistake in Jumbo 16x16 Sudoku?
200 Kakuro and 200 Killer Sudoku puzzles. Medium and hard levels.: Kakuro 9x9 + 10x10 + 16x16 + 18x18 and Sumdoku 8x8 medium + 9x9 hard Sudoku puzzles (Paperback) | Vroman's Bookstore