*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.
The Theory of Valency/en-ca/the-theory-of-valency/8E8CE485-7B78-4CAE-AD86-F8918C474384.html8E8CE485-7B78-4CAE-AD86-F8918C474384