Echo in TimeBook - 2014
Taylor and Joseph are part of a team sent to Traventon to destroy the QGPs and, perhaps, Reilly, on a mission that could endanger Taylor's twin and Joseph's girlfriend, Sheridan, but reunite them with Joseph's supposedly dead twin, Echo.
Publisher: New York : Katherine Tegen Books, an imprint of HarperCollins Publishers, 
Edition: First edition
Characteristics: 387 pages ; 21 cm