Legendary writer Peter David (The Incredible Hulk, X-Factor) teams up with fan-favorite artists Leonard Kirk (JSA, Fantastic Four) and Robin Riggs (BIRDS OF PREY, GREEN ARROW) in SUPERGIRL: BOOK THREE, featuring classic Supergirl stories! Linda Danvers is finally hitting her stride as Supergirl. Linda was hurtled into the world of crime-fighting when she was rescued from near death by fusing with Matrix, a protoplasmic version of Supergirl. She is getting better at balancing her old identity, including her relationships with friends and family, with her role as Leesburg's guardian angel. Just as Supergirl begins to gain confidence, the arrival of an intriguing new superhero named Comet rocks her world. Who is Comet? Where did he come from, and how did he end up in their quiet small town? Why is a mysterious villain named Fracture chasing him? Can Supergirl discover Comet's true identity and figure out the reason he's on the run? Find out in SUPERGIRL BOOK THREE. Collects SUPERGIRL #21-31, SUPERGIRL #1,000,000 and RESURRECTION MAN #16-17.