Islamist Extremism, by Maajid Nawaz, 2013 Radical (book), by David Platt, 2010 Other uses Radical, Missouri, U.S., a ghost town Radical, North Carolina, U.S. Radical Sportscars, a British sports car maker Radical Entertainment, a Canadian video game developer Radical.fm, a digital music streaming service See also The Radicalz, a World Wrestling Federation stable Radical center (disambiguation) Radical left (disambiguation) Radical right (disambiguation) Radikal (disambiguation) Radicle, the first part of a seedling