*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.
Helical Gears: A Practical Tretise/en-ca/helical-gears-a-practical-tretise/A0F6F6E9-B354-44DE-B647-98609C7C1CE4.htmlA0F6F6E9-B354-44DE-B647-98609C7C1CE4