Descending Skies by Margaret Schlegal

Descending Skies is a magical, science fiction fantasy set in a world where magic is science and the laws of nature do not apply. Andrew Granger, is dead. Then he is not, but to his amazement awakening from death gives him a whole new chance at life. Will Andrew become the hero his new world needs or will the treachery and power struggles of this strange new world destroy him and the new life he’s been given.