Hail to all!
These books are just wonderful modern grimoires too:
Grimoire Bestiae the Bestian rites of Aestheteka, and Sophia Bestiae The wisdom of the Beast, by Edward O'Toole.
The complete Book of Demonolatry by S. Connolly ( I love this one, is just great).
The complete Book of Demonolatry Magic by J. Thorpe (WONDERFUL).
Liber HVHI, Adamu Luciferian Tantra & Sex Magic, Luciferian Witchcraft, The Book of The Witch Moon (Choronzon & Hecate Edition), and Satanic Magic A paradigm of the Adversary, by Michael W Ford.
Hope you like'it all.
Have fun!
Khaleb