Drummond has spent many years documenting the history of the pioneering American psychedelic group, The 13th Floor Elevators. Books include Eye Mind: The Saga of Roky Erickson and the 13th Floor Elevators, The Pioneers of Psychedelic Sound (2007), 13th Floor Elevators: A Visual History (2020). Drummond has also curated several reissues of the Elevators' music (and other artists) for Psy-Fi productions.