This is useless for those of us in the 2020 cycle but now that I'm in to grad school I want to get rid of my subject test books.
I have the Princeton Review Book. There is very little markings in it with the exception of the main practice test.
I also have Charles Rambos practice test and solution book, the first exam is marked up but the second is completely blank.
I dont need these anymore, so if someone else wants them and is willing to pay for shipping I'd be more than happy to send them to you, just PM me.