Pirated copies have been around for years. These have strong curses on them. If have some delete ASAP and get the Guild PDF. This removes the curse and make the info safe to use. The PDFs cost are very low usual around $2.00 to $5.00 some a bit higher. Many are very crude copies. Go to the list at the bottom of the Book and Course page for details. We welcome all members to have these copies. These are offered to the general public as well.