*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.
The Homotopy Theory of (∞,1)-Categories/en-ca/the-homotopy-theory-of-%E2%88%9E1-categories/5A3A2E95-2779-4C91-9056-CE1591E1D5BF.html5A3A2E95-2779-4C91-9056-CE1591E1D5BF