Textbook; Loudon and Parise. Organic Chemistry. 7th ed. W. H. Freeman; 2021.
If you have E-book access from a previous semester you need not buy a physical copy, unless you prefer this format. You need to download your textbook while you have an active account:
Older, usually cheaper, editions of the textbook, are also sufficient. However, references in the course pertain to the 7th edition, but I will post translation guides to earlier editions during the semester.
List of free and other options for accessing answers to textbook problems