What's Left of Me: The Hybrid Chronicles, Book One (Audiobook) 2012

Eva and Addie started out the same way as everyone else - two souls woven together in one body, taking turns controlling their movements as they learned how to walk, how to sing, how to dance. But as they grew, so did the worried whispers. Why aren't they settling? Why isn't one of them fading? The doctors ran tests, the neighbors shied away, and their parents begged for more time. Finally Addie was pronounced healthy and Eva was declared gone. Except, she wasn't...

Humans have come a long ways since the looking glass gates first appeared and an alien menace turned a motley crew of scientists, sailors and force recon Marines into battle-hardened space adventurers. Now with other species running scared, it’s up to humans to take the lead and mold a weapon capable of checking the Dreen—a galactic cancer that has so far proved unstoppable. Their arsenal A hodge-podge of powerful technologies begged, borrowed and/or looted from across the galaxy and cobbled together on what has to be the strangest ship ever to ply the starways