*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 Geometrical Treatise of Conic Sections. to Which Is Added, a Treatise On the Primary Properties of Conchoids, the Cissoid [&c.]/en-ca/a-geometrical-treatise-of-conic-sections.-to-which-is-added-a-treatise-on-the-primary-properties-of-conchoids-the-cissoid-c./8D084D81-238E-4DEB-84B8-5C18EB14D56E.html8D084D81-238E-4DEB-84B8-5C18EB14D56E
A Geometrical Treatise of Conic Sections. to Which Is Added, a Treatise On the Primary Properties of Conchoids, the Cissoid [&c.]