*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.
Key to the Introduction to Algebra/en-ca/key-to-the-introduction-to-algebra/54220D83-F13F-486E-9C2E-ABF96A75DB3D.html54220D83-F13F-486E-9C2E-ABF96A75DB3D