*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.
Number Theory and the Periodicity of Matter/en-ca/number-theory-and-the-periodicity-of-matter/08B1D6DD-B975-48E7-A965-4F72A08C6C23.html08B1D6DD-B975-48E7-A965-4F72A08C6C23