When Melanie, one of the last "wild" humans left on Earth, is captured, she is assigned to become the host of a spirit called Wanderer. As Wanderer probes Melanie's memories to reveal the location of the human resistance, Melanie shows the spirit visions of the man she loves, and soon, Wanderer can't help but fall in love with him too. The pair eventually becomes unwilling allies and they set off in search of the man they both love.
While living as an exchange student in Japan, David Matthews is possessed by a Japanese god with amazing powers and must fight desperately to save his host sister from a hoard of Japanese monsters.
Sky and Kristin travel to the seventeenth century to learn secrets from their ancestor, the witch Meg, then to the Battle of Hastings to use that knowledge to prevent their evil grandfather Sigurd from ever possessing another person.
In rural Connecticut, when seventeen-year-old Dice tries to exorcise a seventeenth-century man who is possessing her cousin Pen, she inadvertently makes him corporeal--and irresistible.
Jonah, a young thief, and his friends and Tersias, a twelve-year-old boy who channels prophesies, become embroiled in the machinations of a magician, a politician, and a false prophet, as well as in the magic of a strange alabaster box.
Cree Black, a Seattle-based parapsychologist, is sent to New Mexico to investigate a gifted Navajo boy's bizarre illness, and explores Navajo culture and identity in modern America.
When the star of a horror movie filming in the town of Spooking disappears, twelve-year-old Joy Wells steps into the role--and into real-life horror when her co-star gives a terrifying and unscripted performance.
Melanie, whose mind has been almost completely taken over by an alien named Wanderer, convinces the alien to search for her lost lover, who fled the extraterrestrial invasion, and tries to find a way in which she and Wanderer can coexist.
Will gets involved with The Order, a group consisting of ghost-talkers like himself, as he continues to help spirits into the light, while Alona, his vain, self-centered, and cranky spirit guide begins to learn the value of helping others.
