Changels : Serendipity
A mansion on remote Aotea Island off New Zealand has burned down. Detective Sue Williams soon discovers sole survivor 14-year-old Sam Kahu, is unusual. He tells her he's psychic. Then, by saving her life, he proves it. But he also tells her he has his own UFO.
Think X-files meets Tintin with all that implies about intensity, reality, romance and imagination.
Book one of Changels Genesis.