DC?s encyclopedia of heroes and villains steps into the 1990s in this massive hardcover continuing the classic Who's Who biography series! Also includes the spin-off series Who's Who in the Legion of Super-Heroes, spotlighting DC's greatest team of the 30th century. Collects Who's Who in the Legion of Super-Heroes #1-7, Who's Who in the DC Universe #1-16, and Who's Who in the DC Universe Update 1993 #1-2.