*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.
Lattice-ordered Rings and Modules/en-ca/lattice-ordered-rings-and-modules/5F566BC5-2B4A-4A02-993A-81CD453055F6.html5F566BC5-2B4A-4A02-993A-81CD453055F6