Contributed to the TLCo-op by Alina Holmes, Graduate Research Assistant of the Center for Instructional Innovation and Assessment, 2020.
In this new digital world, something that might be worth considering is using an open, digital textbook. One of the benefits to using a digital, open textbook is that they are free to students, which is hugely important right now given the financial stress that many students are under. Generally, it is easier to find open textbooks for lower level courses than upper level courses, but if you are teaching an upper level course, it is still worth doing a little research.
Some places to start your research into looking for free open textbooks are:
Open book by Nociconist from the Noun Project