Harlan Ellison is probably best known as a script writer for sci-fi and fantasy movies and TV series such as the original "Outer Limits, " "The Hunger, Logan's Run, " and "Babylon Five." But his range is much broader than that, encompassing stories, novels, essays, reviews, reminiscences, plays, even fake autobiographies. "The Essential Ellison, " a special limited edition personally signed and numbered by Ellison, contains 74 unabridged works, including such classics as "A Boy and His Dog," "Xenogenesis," and "Mefisto in Onyx."