Prep books for the GRE with question walk-throughs and practice tests. Both books are new and with no marks and no creases.

• ETS Official Guide to the GRE General Test, 3rd Edition
• The Princeton Review Cracking the GRE, 2020 Edition

Note that the back cover of "Cracking the GRE" is ripped, but damage doesn't affect any of the pages / content.