Fairies and Magic

Sinéad is a redhaired Celtic princess who is invited by Dumbledore to Hogwarts to help to improve the security of the castle and to teach students. How will this savage warrior put up with the world of wizards, and how will the wizards put up with her? Will she help them defeat Voldemort and is Snape able to stop thinking about Lily? Dedicated to Mrs.RJLupin and her inspiring work.