The Giant Book of Suguru: 1000 Easy to Hard Number Blocks (9x9) Puzzles

Playing logic puzzle 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. ① 1000 (9x9) puzzles for everyone in 3 Difficulty Levels: 333 Easy, 334 Medium, 333 Hard. ② Answers to every puzzle are provided. ③ Each puzzle is guaranteed to have only one solution. ④ Six puzzles per page (8.5 x 11 inches). ★★★