Arsenal Series by Devin Grayson, Rick Mays, Moose Baumann, Sean Parsons, Jason Martin, Karl Story

Roy Harper must consider the failures of his past to face the future and find his own niche as Arsenal. But before he can move forward, a problem from the past needs a speedy resolution. Roy's daughter, Lian, has a fatal disorder--and the only one that may be able to provide the cure is the villainous immortal, Vandal Savage.

Roy Harper becomes more resolved to take charge of his life as he trails the one man who may be able to save Lian's the immortal villain Vandal Savage. But there are parts of his past Arsenal can't run from, and he soon faces Oliver Queen's son, Green Arrow.

Green Arrow's former sidekick has sided with the JLA's greatest foe because only he can save Roy's daughter. It's a battle that the Titan seemingly can't win as he must assist Vandal Savage in escaping from the police. But can he make it in time to save Lian?