: Many universities have digital libraries where you can access textbooks, including biochemistry, for free or through your student account.
Given that the 9th edition is still widely available (and much cheaper), do you need the 10th edition?
: Websites like OpenStax, Coursera, and edX offer free or low-cost courses and textbooks. While they might not have the exact textbook you're looking for, they often provide similar educational content.