Only Numbers Activities: Activity book for adults with100 number/math based activities

Do you love number/math/logic activities? Then this book is for you 100 of these Adult Numbers Activities: Dot-to-Dot, Math Quest, How Many, Sudoku, Number Blocks, Mazes, Triangle Magic, Math Square, Numbers in Square and Number games to play with a friend. Buy it now for yourself or as a gift for the number lover in your life