Presenting two action-packed _Mass Effect_ stories, both written by _Mass Effect 3_ lead writer Mac Walters! Originally available only from _MySpace Dark Horse Presents_ and _USA Today_, these peeks into different corners of the _Mass Effect_ universe are now collected together for the special price of just $0.99! In "Incursion," _Mass Effect: Invasion_'s Aria faces an attack on Omega from the Collectors, and in "Inquisition," the Citadel's Captain Bailey is tasked to uncover a traitor in the council's midst! Written by Mac Walters, lead writer of _Mass Effect 3_! Reveals key moments from the _Mass Effect_ saga! This one-shot collection is exclusive to the Dark Horse Digital Store!