Supergirl The Silver Age TPB Volume 02

"In these Silver Age stories, Superman introduces his heroic protégé to the world. These stories include appearances by the Legion of Super-Heroes, criminal mastermind Lex Luthor, Kryptonian criminals Jax-Ur and Zor-El and the fifth-dimensional imp known as Mr. Mxyzptlk, plus surprise appearances by President John F. Kennedy, First Lady Jacqueline Kennedy and Vice President Lyndon Johnson. Collects stories from ACTION COMICS #285-307."