The book contains 200 Killer Sudoku puzzles at the level of East. If you are different level please check my other books. Features: Easy puzzles 200ALL PUZZLES IN THIS BOOK ARE NEW!All puzzles with accurate skill levels (worked hard at this)!All riddles have only 1 solutionBig and easy to read solutions at the end of the bookThe font size is correct you will not have to strain your eyes when solving puzzles2 puzzles per pageHigh quality paper and print (all puzzles read well, easy to write with pen and pencil without worry of bleed-through)Wide inner margins: easy to tear out and go6 inches x 9 inches paper size Makes a great gift for birthday or other occasions - for anyone who enjoys puzzles. Many hours of fun! Have fun with this Killer Sudoku book for adults!