*Valid November 28, 2024 - December 2, 2024 at Canadian stores and at indigo.ca, while quantities last, with $50.00 or more pre-tax purchase of eligible product(s), after discounts and plum points redemptions. Minimum purchase amount excludes gift cards, plum+ memberships, Love of Reading products/donations, and shipping costs. Selection may vary between stores and online.
Mental Arithmetic: Combining a Complete System of Rapid Computations, With Correct Logic of the Solutions of Problems,/en-ca/mental-arithmetic-combining-a-complete-system-of-rapid-computations-with-correct-logic-of-the-solutions-of-problems/57FEED82-E346-4427-B203-A84D06003C24.html57FEED82-E346-4427-B203-A84D06003C24
Mental Arithmetic: Combining a Complete System of Rapid Computations, With Correct Logic of the Solutions of Problems,