*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.
A Treatise on Practical Mensuration/en-ca/a-treatise-on-practical-mensuration/5228D955-E53E-4BA7-B1CF-1D21C7ABE707.html5228D955-E53E-4BA7-B1CF-1D21C7ABE707