*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.
Pluses + and - Minuses: A Field Guide to the Webb Principle/en-ca/pluses-and---minuses-a-field-guide-to-the-webb-principle/2F8A1178-7D3A-492F-85E3-E73988EB5C54.html2F8A1178-7D3A-492F-85E3-E73988EB5C54
Pluses + and - Minuses: A Field Guide to the Webb Principle