Mass Effect (TM)An official tie in to the hit video game Mass Effect: Andromeda, written by award winning and New York Times bestselling author Catherynne M. Valente. An official tie in to the hit video game Mass Effect: Andromeda. As the Quarian ark Keelah Si'yah sails toward the Andromeda galaxy, it carries 20,000 colonists from several races, including the Drell, Elcor, and Batarians. Along the way, a routine check reveals that many of the Drell colonists have