Brainiac the evil android and clones have tricked Superman into straying far from Earth, leaving the planet unprotected--so it is up to Supergirl to save Metropolis from the super villain's army.

"Crossing over between SUPERMAN, SUPERGIRL, SUPERBOY, and ACTION COMICS, this Super-family team up brings all the fan-favorite heroes together to take on H'el! The Super team must travel through time and Krypton's history to prevent H'el from dooming the entire universe. Written by Scott Lobdell, writer of TEEN TITANS and formerly Marvel's X-Men franchise. This edition collects Superboy #0, 25, Supergirl #0, 25, Superman #0, 23.3: H'el, 25 and Action...

Supergirl wraps up all of the cosmic craziness that has developed since her arrival on Earth, including arch-frenemies, scheming faculty, an intergalactic orange kitty and a flying horse.

Supergirl's life gets complicated when a new enemy, Belinda Zee, shows up.

It is eighth grade graduation day, and between graduation, trying to keep her identity a secret, and a Supergirl copy showing up, Kara has a lot on her mind.

Explains the back story of Superman's cousin, Kara Zor-El-- Supergirl--from her life as a teenager on Krypton and her arrival on Earth after years in suspended animation to her efforts to adjust to human society and her role as a superhero.

A little orange cat with a big attitude shows up on the scene, and Lena makes a discovery that may change her friendship with Linda forever.

"Completing the H'EL ON EARTH crossover event that had made its way through Superman, Superboy and finally Supergirl. A mysterious Kryptonian arrives on Earth and convinces Kara that he intends on returning them to Krypton, prior to its destruction, in an effort to save the planet. When presented with the opportunity to return home, the young and sometimes foolish Kara fails to see H'el's whole plan, a plan that will leave the Earth in ruins. Wonder...

Superman's cousin from Krypton, Supergirl, comes to Earth on a mission to save her dying city. She must find and recover the Omegahedron, a source of almost unlimited power. When Supergirl discovers that it has fallen into the hands of an amateur witch, who intends to use it to rule the world, she must struggle against perilous forces to overcome the evil witch and her devious plan.

Can Batman prevail against an unstoppable intergalactic machine with the power to bend time itself? Until now, the Justice League has triumphed over every foe who has challenged them. But all of those enemies had one thing in common: they were alive. This time, they face Brainiac, a super-intelligent, invulnerable machine whose mad quest endangers all life in the galaxy.