Witch Silver — Anne Forbes

A death. A new house. A new school. And hoardes of witches with evil intentions … When Clara inherits a magical silver talisman from her aunt, she and her brother Neil are drawn into a more perilous and nail-biting adventure than ever before. As they adapt to life in a new school, can they protect the talisman from the Earth, Wind and Snow Witches who are desperate to find it and misuse its power? The fifth thrilling book in the Dragonfire series.