Supergiant Book Of Sudoku

More than 450 brand new puzzles in a collection from puzzle master Alan Ross With puzzles carefully graded from "Beginner" to "Fiendish" levels, this collection is also the first publication to feature Alan Ross's unique streamlined method of Sudoku notation. This takes away the drudgery of Sudoku notation and allows the enthusiast to focus on the challenge--and the joy--of the puzzles themselves.