Book excerpt: A brand-new era begins here! Comics legends Scott Snyder and Jim Cheung launch the Justice League into a cosmos-shaking mystery that will draw out their most terrible foes...in ways our heroes couldn't possibly imagine! The League was forced to make an impossible decision...and now its time to face the consequences! The returning Martian Manhunter struggles to protect the team from an incoming threat that will shatter the world as they know it, while a familiar face strikes out on a dark path... Spinning out of the cataclysmic events of Dark Nights: Metal and the universe-defining No Justice, the core members of the Justice League--Superman, Batman, Wonder Woman, Aquaman, The Flash and more--are finally reunited for an adventure for the ages! One of the most critically acclaimed authors of his generation finally scribes DC's flagship title in Justice League Vol. 1! Collects Justice League #1-7.