Sudoku Quilts

Did you know that Sudoku puzzles can be used to design lovely patchwork quilts?Based on a grid, Sudoku puzzles are complex Latin squares. Each grid cell carries a number or letter, one each for each number of cells and rows. Learn how to replace these basic identifiers with patchwork quilt blocks. Only two kinds of patchwork blocks will work; find out in Sudoku Quilts which ones will do, and exact...