Strange Angels is a 1994 novel by American author Kathe Koja, published by Delacorte Press.
He finds the images in the drawings powerful, compelling, transcendent and immediately determines he must meet the artist.
Immediately resorting to subterfuge, Grant discovers Robin, 28, the creator of the artwork and a schizophrenic, recently released from the hospital to a halfway house and attending Johnna's weekly therapy sessions.
Slow at first, then rapid changes in Robin's metaemotional condition are catalyzed when a mentally ill young woman is introduced into the mix and all the instability culminates when Robin (to Grant's eyes anyway) transcends the physical and becomes a being of light shortly before his body dies of heart failure en route to the emergency room.
The novel ends with Grant vowing to himself to push the envelope in search of altered states to higher awareness.