Brain Teaser Puzzles for Adults Hard to Expert

300+ Difficult Brain Games for Adults and Seniors (Large Print and Hard to Expert level)!

This book includes the most difficult and challenging puzzles of many types of games for your mind: Sudokus, Mines Finder Puzzles, Skyscraper Puzzles, Battleship Puzzles. They are becoming wildly popular with people of all ages, especially for seniors and adults to relax, reduce stresses, improve brain health, and support preventing Alzheimer's disease. The hard-to-expert level of these puzzles will keep your mind always be young and active.

This book includes:

? 90 Hard to Expert Sudoku Puzzles (60 Hard Puzzles and 30 Expert Puzzles)

? 15 Mines Finder Puzzles

? 108 Skyscraper Puzzles

? 90 Battleship Puzzles

? Solutions are at the end of each kind of game.

With the large print for each game, solving these games and puzzles will be easy on your eyes but not on your brain!

Now is the time to give your brain a real and challenging workout!