Rulu's latest magnificent book of sutras are all from the Avatamsaka Sutra. It contains chapters 27 through 37, plus a good introduction to the Huayan school, lineage of sages and major principles. The title is Two Holy Grounds and can be ordered as a book via Amazon or a pdf can be bought at:
http://bookstore.authorhouse.com/Advanc ... hTerm=Rulu
The usual fine translation, glossary & notes add up to almost 300 pages.