Issue: #19
"The Mystery of Star Sapphire" continues as Hal Jordan learns the truth behind the obsessive alien parasite known as the Star Sapphire. But if her thirst for him is quenched, what does that mean for the fate of Earth?
First appearances: Karu-Sil, Queen Aga'po
Creators: Ivan Reis, Rob Leigh, Dave Gibbons, Geoff Johns, Geoff Johns, Daniel Acuña, Peter J. Tomasi, Oclair Albert, Moose Baumann
Characters: Hal Jordan, Khufu, Sinestro, Dela Pharon, Scar, Chay-Ara, Ganthet, Amon Sur, Jillian Pearlman, Karu-Sil, Guardian 7, Sayd, Carol Ferris, Arkillo, Green Lantern of Xanador, Blish, Lyssa Drak, Chaselon, Deborah Darnell, Queen Aga'po
Story arcs: Mystery of the Star Sapphire