D.X. Ferris writes stuff. His official biography of Donnie Iris & the Cruisers will arrive in March 2018. He is the publisher of 6623 Press, which publishes unconventional books about pop culture, success, and other cool stuff. Ferris is the author of the full-length Slayer biography, “Slayer 66 2/3: The Jeff & Dave Years.” His previous book, “Slayer’s Reign in Blood,” the first English-language book about the band, is part of Bloomsbury Academic/Continuum’s 33 1/3 series. His webcomic strip, “Suburban Metal Dad,” runs every Monday and Friday at Popdose. He is ’bout it.