You can now access The Great Controversy by Ellen G. White by clicking the
link below.
http://www.ellenwhite.info/books/ellen-g-white-book-great-controversy-gc-contents.htm
You can find more Prophecy Study materials by clicking the link below.
https://whiteestate.org/books/egw-books/
https://www.kusdachurch.org/prophecy-study-materials/