*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.
CHILDREN?S ERRORS IN MATHEMATI CS/en-ca/childrens-errors-in-mathemati-cs/81F67D2A-11E8-4BF7-8C67-1027E37C6BBC.html81F67D2A-11E8-4BF7-8C67-1027E37C6BBC