Justice League Dark: Rebirth Omnibus

"It's an unexpected team with assignments that live between the light and shadows. Wonder Woman leads a crew to fight the darkness that's even too weird for the world's greatest super team, The Justice League. The mystical Tree of Wonder has opened a gate to another world. Things are bad--real bad. The Justice League Dark, a team led by Wonder Woman featuring the monsters and magicians of the DC Universe, are humanities only hope"--