*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.
Treatise on Natural Philosophy/en-ca/treatise-on-natural-philosophy/1DAB93AC-FAC8-4F64-9DDD-F9BFB8237715.html1DAB93AC-FAC8-4F64-9DDD-F9BFB8237715