*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.
Carl Friedrich Gauss Werke .../en-ca/carl-friedrich-gauss-werke-.../6CED3D21-5C98-4841-9B6D-D9739945C6D5.html6CED3D21-5C98-4841-9B6D-D9739945C6D5