River of Dreams by Jan Nash
River of Dreams by Jan Nash tells the story of a teenage protagonist who tries to save the life of her brother, who falls into a paranormal induced coma. When the protagonist’s brother mysteriously wakes up one morning seemingly unalive, the protagonist puts herself on a mission to figure out the truth about what has happened, whatever it might take. Eventually she discovers that she is a dreamwalker, which means she has a duty to help others who are suffering from bad dreams.