*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.
Nature's Harmonic Unity: A Treatise On Its Relation To Proportional Form/en-ca/natures-harmonic-unity-a-treatise-on-its-relation-to-proportional-form/6B09781F-E656-4E42-863B-A0F7D09759C1.html6B09781F-E656-4E42-863B-A0F7D09759C1
Nature's Harmonic Unity: A Treatise On Its Relation To Proportional Form