Download or read book Supergirl (2016-) #30 written by Marc Andreyko and published by DC Comics. This book was released on 2019-05-08 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt: If you want to do something right, do it yourself—the crystalline Lord Gandelo is tired of sending others to kill Supergirl and has arrived to destroy the Girl of Steel herself! It’s an all-out fight as crystal battles steel—and Supergirl must choose between avenging Krypton and sparing a wicked life.