The popular Sudoku brain teaser is a very excellent way to stimulate your mind and develop logic skills while having fun by finding the solution which can be a complete mystery for hours of entertainment.BeginnersLevel: EasyPuzzles are a great activity for beginners. 80 Puzzles with 20 answer pages at the back. This paperback book is 8.5" x 11" (A4 size) and has a total 100 pages.Great gifts for:Traveling Car RidesChristmas Stocking Stuffers & Gift BasketsBirthday & Christmas GiftsGraduation & End of School Year GiftsSummer Travel & VacationsEaster GiftsArt Journals and Doodle DiariesBack to SchoolToilet TimeRelax TimeIf you are looking for a different book, make sure to click on the author name for other great book ideas.