Radium, And Other Radio-active Substances: Polonium, Actinium, And Thorium. With A Consideration Of Phosphorescent And Fluorescent Substances, The Properties And Applications Of Selenium, And The Treatment Of Disease By The Ultra-violet Light

*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.