*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.
Theory of Association Schemes/en-ca/theory-of-association-schemes/0F3251D8-77D7-450A-B357-D8E08A4CC20E.html0F3251D8-77D7-450A-B357-D8E08A4CC20E