Green Lantern #3

In "Cosmology Lesson," John Stewart finds himself stranded on a distant world under alien siege after his Green Lantern ring fails during a mission into the Dark Sectors, leaving him isolated and vulnerable. Meanwhile, Sojourner Mullein arrives on Oa to discover it in ruins, the Central Power Battery destroyed, and realizes she may be the last Lantern with a working ring—now tasked with uncovering the truth and rescuing her missing comrades. Written by Geoffrey Thorne and illustrated by Tom Raney and Marco Santucci, with colors by Michael Atiyeh and letters by Rob Leigh, this pivotal issue features a striking cover by Bernard Chang.