Shiori Teshirogi

"A young boy from Japan travels to Gotham City on a mission. A year before, his two parents--both scientists--were presumably killed in an explosion that destroyed an experimental power plant. But the boy believes they may still be alive. At the very least, he's determined to find out what actually happened. But his quest soon leads to a run-in with some powerful forces--forces that require help from both Batman and the Justice League!:--Amazon.com...

Kieli sees ghosts. It's an odd ability for a 14-year-old girl, and it makes her a bit of an outcast at her boarding school. Her only friend, in fact, is the (semi-) departed spirit of a girl who used to inhabit her room. That is until the two encounter a young man who appears to share Kieli's "gift." It doesn't take long to discover, though, Harvey is an altogether different sort of creature - one of the infamous Undying, the reanimated corpse of...

"As the holidays wind down, Kieli continues her 'research trip' with her companions-- Harvey, a near-immortal soldier known as an Undying, and the Corporal, a soldier's spirit possessing an old radio. Their fates irrevocably intertwined by a bloody war waged eighty years ago, Harvey has promised to help the Corporal pass on by returning him to his final resting place, even with Kieli tagging along. But when saying their last good-byes to the Corporal...