In this new installment of Gail Simone's Clean Room, go back to the beginning to learn how Astrid was first affected after her hospitalization...through the eyes of one who cannot see what she sees: her would-be assassin and brother, Peter Mueller. Then, a young woman devastated by the violent loss of her husband finds comfort in Astrid Mueller's teachings, only to face the woman herself in the most nightmarish reaches of the Clean Room! Collecting: Clean Room 13-18