*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.
Pollution Monitoring With Lichens/en-ca/pollution-monitoring-with-lichens/3D863174-05F4-4B7F-9855-08AF80D2725A.html3D863174-05F4-4B7F-9855-08AF80D2725A