Suggested Reading
Generationalism
-The Satanic Bible- (Anton LaVey)
-Satan Speaks- (Anton LaVey)
-The Complete Witch (or The Satanic Witch)- (Anton LaVey)
-The Devil's Notebook- (Anton LaVey)
-The Satanic Rituals- (Anton LaVey)
-The Secret Life of a Satanist- (Blanche Barton)
-The Church of Satan: A History of the World's Most Notorious Religion- (Blanche Barton)
-Thus Spoke Zarathustra- (Freidrich Nietszche)
-The Antichrist- (Friedrich Nietszche)
-Beyond Good and Evil- (Friedrich Nietzsche)
-Nausea- (Jean-Paul Sartre)
-Being and Nothingness- (Jean-Paul Sartre)
Demonolatry
-Modern Demonolatry- (Stephanie Connolly)
-The Book of the Dead- (Unknown: Egyptian religion)
-Necronomicon- (Unknown: Demonic mythology)
-The Book of Enoch- (Enoch: Angelic mythology)
-Pseudomarchia Daemonum- (John Weir)
-Grimorium Verum 1517- (Demonology text)
-The Goetia (Or The Lesser Key of Solomon the King: Lemegetum, Book I Clavicula Salomanis Regis)- (trans. & ed. by S.L. Mathers, reccomended, writ. by Solomon)
-Ancient Grimoire of Dark Magick- (Robert Blanchard)
-The Book of Black Magic- (Edward Waite)
-Forbidden Rites: A Necromancer's Manual of the Fifteenth Century- (Richard Kieckhefer)
-The Grimoire of Armadel- (trans. & ed. by S.L. Mathers)
-Companion to Waite's "The Book of Black Magic and of Pacts"- (N. White, A. White)
-The Greater Key of Solomon- (Solomon the King)
-Red Dragon: The Grand Grimoire- (trans. by Robert Blanchard)
-The Satanic Rituals- (Anton LaVey)
General Interests
-The Divine Comedy- (Dante Allighieri)
-The Legends of the Jews vols. 1 through 2- (Louis Ginsberg)
-Mistakes of Jesus- (William Floyd)
-Les Litanies de Satan- (Charles Baudelaire)
-Paradise Lost- (John Milton)
-Paradise Regained- (John Milton)
-Faust- (Johann Wolfgang von Goethe)
-Is the Bible Worth Reading- (Lemuel Washburn)
-Devil- (Robert Green Ingersoll)
-The Truth About Jesus- (M.M Mangasarian)
-Gems From the Equinox- (Aliester Crowley)
-777- (Aliester Crowley)
Most of these great works are still available in some form or another in any major bookstore. Some (such as the Enochian Keys from the Book of Enoch) are available in other sources (LaVey published the Keys in The Satanic Bible).