The Snow Spider Trilogy By Jenny Nimmo

(Snow Spider # 1-3) [3 books in 1]

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On his ninth birthday, Gwyn is given a brooch and told to cast it into the wind. Later he discovers the wind has sent something back: the snow spider. So begins Gwyn's journey as a magician. Against the shimmering backdrop of a magical domed city, Gwyn has to battle evil and heal a fractured family. A spine-tingling trilogy of stories, full of magic and power.