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 spinoff 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 Update 1993 #1-2.