*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.
Number Story: From Counting To Cryptography/en-ca/number-story-from-counting-to-cryptography/9121B461-1C79-4738-AFF4-66F0942F9395.html9121B461-1C79-4738-AFF4-66F0942F9395