Fairies have secretly come to Earth to train humans, all because of a malicious race of aliens called the Locrians. These space-traveling Locrians wiped out one of the Fairy home worlds, and now they are heading toward Earth. The Air Fairies in this story make contact in northern Arizona, to teach their three humans all they can of Air magic. Land, Water, and Fire books to follow. https://www.amazon.com/dp/1917306199