Welcome to Number Fill-Ins aka Cross Numbers book! These puzzles are just like crosswords but with numbers. The entries are listed below the grid and it is up to you to find the way to fill them all in and complete the puzzle. There are 80 puzzles in this book. Half of them are 15x15 in size and half are 16x16, Some of them are easier and some are quite difficult! However, regardless of the difficulty, rest assured that each puzzle has a single solution! The puzzles are printed in large font so it is easy to read the numbers. No strain on your eyes. Enjoy!: ) _______________________________________ number fill-in, number fill-ins, number fill-in book, number fill-ins book, large print number fill-in, number fill-in large print, large font number fill-in, number fill-in large font, big print number fill-in, number fill-in big print, big font number fill-in, number fill-in big font, large print number fill-in book, number fill-in book large print, large font number fill-in book, number fill-in book large font, big print number fill-in book, number fill-in book big print, big font number fill-in book, number fill-in book big font