DC 100 Page Super Spectacular (1971) #21

Superboy stars in "The Superboy Revenge Squad!" Originally presented in Superboy #94, art by George Gapp.

Supergirl's friend Lena Thorul learns she is the sister of the sinister Lex Luthor in "Lena Thorul, Jungle Princess!" Originally presented in Action Comics #313, art by Jim Mooney. Kid Eternity battle the Beagle. Originally presented in Kid Eternity #9. Plus, reprints of Adventure Comics #332 by Edmond Hamilton and John Forte, Brave and the Bold #54 starring the Teen Titans (Robin, Kid Flash, and Aqualad), and Superboy #50 by Otto Binder, Curt Swan, and George Klein.

Cover price $0.50.