*Valid September 30, 2024 - December 25, 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.
How to Solve It: A New Aspect of Mathematical Method/en-ca/how-to-solve-it-a-new-aspect-of-mathematical-method/AB81CF1D-0D9C-41A0-9977-EB7E6DCF3D78.htmlAB81CF1D-0D9C-41A0-9977-EB7E6DCF3D78
How to Solve It: A New Aspect of Mathematical Method