Tether: The Many-Worlds Series

Back on Earth, Sasha expected everything to go back to normal. But her old life no longer seems to fit, and her heart breaks daily for Thomas, the boy she left behind. Troubled by mysterious, often terrifying visions and the echoes of a self she was just beginning to discover, Sasha makes the difficult decision to journey once more through the tandem.

Thomas is waiting for her on the other side, and so is strange, otherworldly Selene, Sasha's analog from a third universe. The General believe...