Written by Jody Houser. Art by Adriana Melo and Mark Morales. Cover by Mark Brooks. It's the end of the road for our Gotham City sirens…and the revelation of Poison Ivy's shocking secret will rock you to your core! Will Harley Quinn be able to make the ultimate sacrifice to become the hero she so desperately wants to be? Or will old habits die hard and end Harley and Ivy's friendship forever? 32 pages, full color. Rated T+ Cover price $4.99.