[Central Scrutiniser]

Apples and oranges, you can deface a book, but what you can't do is take a copyrighted work like a book and make changes to it and then sell it.

Its pretty simple.

[FreedomCalls]

Apples and oranges, you can deface a book, but what you can't do is take a copyrighted work like a book and make changes to it and then sell it.

So I can't sell a college textbook after I have underlined certain passages??? Every college bookstore that allows resales would go out of business if that were true.