*Valid March 31, 2025 - May 11, 2025 at Canadian stores and at indigo.ca, while quantities last, with $30.00 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 Philosophy of Mathematical Practice/en-ca/the-philosophy-of-mathematical-practice/465A8E9E-3A32-4A74-B59A-1A285B190BE9.html465A8E9E-3A32-4A74-B59A-1A285B190BE9