New Econ student looking for physical textbooks

Hey everyone - I am really frustrated to learn that the Concordia bookstore does not carry any of the textbooks I need for my Econ and Math courses or can provide any information for purchase of the physical textbook. Does anyone have an leads on where to purchase the physical copy of these books

Ragan, C. Microeconomics, 18th Canadian Edition. Pearson, 2025.

Precalculus Essentials, by J. Ratti and M. McWaters;

Ragan, C. Macroeconomics, 18th Canadian Edition. Pearson, 2025.

I understand there are ebooks available but I would much rather have a physical copy of a book - I find it annoying to pay a monthly subscription for an online e book