Ebook Description :

Tough sudoku puzzles by krazydad volume 4 tough sudoku puzzles volume 4 each of my books contains a collection of eight sudoku puzzles 1 per page with a page of hints and a page of answers in the back these booklets are in pdf format and need the adobe acrobat reader to view or print. Like a regular sudoku the rows columns and 3x3 blocks contain the digits 1 thru 9 in addition the dotted lines indicate areas called cages which also contain a set of non repeating digits if you add up the digits in a cage you get the sum shown in its clue my killer sudoku puzzles are collected in 100 printable booklets per volume. Tough sudoku puzzles 4 per page volume 4 each of my books contains a collection of eight sudoku puzzles 4 per page with a page of hints and a page of answers in the back these booklets are in pdf format and need the adobe acrobat reader to view or print. Tough killer sudoku volume 1 each booklet contains a collection of eight different puzzles 1 per page with a page of answers in the back the booklets are ordered by ascending difficulty the puzzles in book 100 are much harder than the puzzles in book 1 all these puzzles have a single unique solution