Next Door Witch

When Natalie and her brother Denny apply for a job to care for a horse near their uncle's horse farm, they discover a starved, filthy and scarred animal. The horse's nasty owner uses her formidable dark powers to stop Natalie and Denny from uncovering the mystery of this horse's true nature, and liberating it from the witch's control. The third "Magical Mystery" novel by the author of the hugely popular Unicorns of Balinor series.