Brain Games 2-in-1 Large Print Sudoku features 326 puzzles to challenge your mind. Each puzzle is spread out on one full page, solving these puzzles will be easy on your eyes--but not on your brain! Spiral binding allows for easy puzzling, whether at home or on the go. Complete answers are located in the back of the book. 384 pages

Challenge your brain--but not your eyes--with this classic collection or large print sudoku puzzles! 125 sudoku puzzles organized into five difficulty levels, from easy to expert. Sudoku grids are large, easy to read, and simple to fill out. Answer key in the back of the book. Spiral bound, 160 pages. Boost your brainpower with these fun and engaging large print sudoku puzzles!

With one puzzle on each page, large numbers and plenty of space to write, this title features super-sized sudoku that are easy to read, but challenging to solve.

The Crosswords Club Collection returns with more of the puzzles enjoyed by the subscribers of the exclusive mail-order service that provides original Sunday-size crosswords. In addition to these special puzzles, there is a unique Answers section, which provides interesting tidbits about each crossword.

The objective of Sudoku is to fill every row, column and box (3x3grid) with numbers 1-9 and each row, column, and box must have each number exactly once. Playing Sudoku is not just a fun way to pass the time, due to its logical elements it has been found as a proven method of exercising and stimulating portions of your brain, training it even, if you will and just like training any other muscle regularly you can expect to see an improvement in cognitive functions. Some studies go as far as indicating regular puzzles can even help reduce the risk of Alzheimer's and other health problems in later life. As a logic puzzle, Sudoku is also an excellent brain game. If you play Sudoku daily, you will soon start to see improvements in your concentration and overall brain power. The popular puzzle game Sudoku is based on the logical placement of numbers. Sudoku doesn’t require any calculation nor special math skills; all that is needed are brains and concentration. Playing Sudoku might give you the little mental break that you need in order to come back to your daily work and other life challenges with new energy.

Wordoku is a cool combination of sudoku and wordplay--and it's the hottest new craze among puzzle lovers. This massive collection, which follows on the success of the two earlier "Big Books," will provide solvers with hours of fun. It features an amazing 900 wordoku, with grids in a variety of sizes: smaller 8x8s, standard 9x9s, and extra-hard 10x10s. The rules are simple, and almost exactly like sudoku--except with letters in place of numbers. Because the levels range from easy to brainbusting, everyone will find puzzles that are just challenging enough. Plus, when players are finished filling in the grid, they get to uncover a hidden word to complete the puzzle!

The book present us the miraculous Sudoku. By five decades, has been popular around the world. Here are rules, brief history, solving algorithm, solving model. Also include 288 puzzles and theirs solutions exposed on three levels of difficulty whose only criterion is the number of known initial data.