Sudoku para niños de 6 - 8 - Genial rompecabezas de Sudoku contigo dondequiera que vayas (Spanish Edition): Johnson, Mr. Jim: 9781093914696: Amazon.com: Books
Amazon.com: Puzzlewright Guide to Solving Sudoku: Hundreds of Puzzles Plus Techniques to Help You Crack Them All: 9781402799457: Longo, Frank, Gordon, Peter: Libros