A: No. Unlike game patches, there is no revised edition. All copies are the same 2013 print run. If a PDF claims to be "Revised," it is likely a fan-edited version with commentary (avoid these, as they contain fan-fiction errors).
The book explores Tyrael's internal struggle with mortality and his new role as the Aspect of Wisdom following his fall from the High Heavens. The Black Soulstone: book of tyrael pdf