The Mind-Bursting Calcudoku Puzzles Vol V: Math Activity Book for KidsPaperback, 15 September 2017

There is no such thing as too much when it comes to math! After all, math is a logic-improving and mind-bursting activity rolled into one. This final volume of The Mind-Bursting Calcudoku Puzzles will ensure that your child retains the skills and theories in solving arithmetic problems. Complete your child's Calcudoku Puzzles collection today!