Flashpoint World of Flashpoint Green Lantern

"Don't miss this Green Lantern volume collecting HAL JORDAN #1-3, ABIN SUR #1- 3, FRANKENSTEIN AND THE CREATURES OF THE UNKNOWN #1-3 and GREEN ARROW INDUSTRIES #1. Not a dream, not an imaginary story, not an elseworld. This is Flash Fact: When Barry Allen wakes at his desk, he discovers the world has changed. Family is alive, loved ones are strangers, and close friends are different, gone or worse. It's a world on the brink of a cataclysmic war - but where are Earth's Greatest Heroes to stop it?"