Courtesy of DC Comics, here's an exclusive sneak peek at the upcoming issue of Green Lantern, which is penned by author Geoff Johns. This comic sees uneasy allies Hal Jordan and Sinestro square off against Black Hand, while the Guardians plan something ominous. This issue hits stands next Wednesday, August 15. Here's the synopsis:

Black Hand has been freed from the Indigo Tribe, and now he's more powerful than ever! What horrible plan does he have in mind, and to what lengths will Hal Jordan and Sinestro go to stop it?
Written by: Geoff Johns
Art by: Doug Mahnke, Mark Irwin
Cover by: Doug Mahnke, Mark Irwin
Variant Cover by: Doug Mahnke