Detective Comics #999 Variant Edition

The truth behind the gauntlet Batman has been forced to run-a violent odyssey that endangered the lives of everyone who made him who he is-is revealed at last...and the mastermind working to unmake the Batman must be seen to be believed! Is there a goal here beyond destruction? Will Batman emerge stronger...or with a mortal wound at the exact moment that his most dangerous challenge yet is on the horizon in next month's DETECTIVE COMICS #1000? RATED T