Daryl Gregory 
Afterparty 

In the years after the smart drug revolution, any high school student with a chemjet can print drugs… or invent them. A teenaged girl finds God through a new brain-altering drug called Numinous, used as a sacrament by a Church that preys on the underclass. But she is arrested and put into detention, and without the drug, commits suicide. Lyda Rose, another patient in the detention facility, has a dark secret: she was one of the original scientists who developed the drug, and is all too aware of what it can do; she has her own personal hallucinated angel to remind her. With the help of an ex-government agent and the imaginary, drug-induced Dr. Gloria, Lyda sets out to find the other three survivors of the five who made the Numinous to try and set things right…