On-campus Options:
UPEI Book Store Textbook Buyback program: http://www.upei.ca/bookstore/textbook-buyback
Student Union App:
You can search for used textbooks in "Campus Feed", under the "Buy & Sell" channel. Download the app from http://upeisu.campusapp.com/.
UPEI Facebook Groups:
Textbook Exchange (need to have your @upei.ca visible on your fb account): https://www.facebook.com/groups/291538580935395/
UPEI Nursing Used Books: https://www.facebook.com/groups/910550375679395/?ref=br_rs
Website Options:
Bookmob (can rent, buy used or new, can sell): http://www.bookmob.ca/
Textbookexchange (can rent, buy used or new, can sell): http://www.textbookexchange
Textbookrental (can rent, sell, buy used): https://textbookrental.ca/
Kijiji: http://www.kijiji.ca/b-books/prince-edward-island/upei/k0c109l1700118