as it is - vol 2¶
tulku urgyen rinpoche (richard gere helped fund this publishing)
covers the second stage called dzogrim aka completion stage2 which is more about the non conceptual
urgyen is the father of mingyur whose book confusion-to-clarity which I recommend reading first
i'm reading this book currently, preceded by as it is vol 1 and will be followed by (i have not decided)
if you have difficulty understanding emptiness when this book, someone recommended the book "Emptiness" by Guy Armstrong