Sudoku Samurai Puzzles Large Print for Adults and Kids Expert Volume 20

Sudoku Book Large Print for Ages 8-80 Improve Logical Thinking and Deductive Reasoning Skills8 1/2 " x 11 " Book formatOne Large Print Puzzle per page Large Print Answer Key on the back of each page200+ pagesThese are expert level puzzles designed for someone who is beyond good at Sudoku and/or Samurai SudokuEach 9x9 puzzle is a stand-alone Sudoku grid but they have been combined to form a killer interlinked 5 grid master puzzle!Hours of fun logical and deductive reasoning in every volume. The difficulty level increases with volume numbersGreat for smart kids, teens, adults, and seniorsMakes a great gift for any birthday or holidayEntertainment that exercises the brain with no screens--- Name a better present!