There is no such thing as a legal, exclusive, permanent Google Drive PDF of this book. You are chasing a ghost.
: Stay updated on official releases and "Dunk and Egg" lore at georgerrmartin.com Library Resources a+knight+of+the+seven+kingdoms+pdf+google+drive+exclusive
: You can purchase the verified eBook version with over 160 illustrations by Gary Gianni on platforms like Google Books or Amazon Kindle. There is no such thing as a legal,
I see you're looking for information on the solid content of "A Knight of the Seven Kingdoms" in PDF format, possibly through Google Drive. but it isn't a PDF.
There is an exclusive version, but it isn't a PDF.