Oddly, very few textbooks seem to have paperback editions probably since the inflated prices make it hard to justify a paperback edition. If you happen to remember your university level courses, most of the textbooks tend to change fairly rapidly, mostly I suspect to keep the second hand textbook business under control.
At UBC and SFU, their bookstores sell both digital and physical versions of required textbooks and, yes, the professors use the same hardcover edition as assigned to the students though the faculty pricing tends to be quite a bit lower than the student price.
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