In the first book of the Xavier series, Xavier Jones, an ordinary thirteen-year-old boy is abandoned at St Griswold College deep within the mysterious Mourn Forest. As the world changes outside the school walls, evil brews at St Griswold. Xavier discovers the school and its inhabitants have strange customs and dark secrets. Everything he knows and believes about the world shifts.
He befriends Ethan and Gabe, an eccentric new arrival. Through them he discovers humour, hope and courage-and the first stirrings of his abilities. In a magical world teeming with angels, demons, shape shifters and the Darklaw, the boys meet Beth, a young seer from Ambrosia. Using their abilities and devices, the teenagers must discover who they can trust among those they meet including the ethereal Boundary Keeper, a vain messenger angel and a magical watchmaker. Together the young friends journey across a country infiltrated by sinister forces in the hope of saving the children of Griswold. They witness the terrifying First Strike, a celestial battle between angelic and demonic armies, and Xavier learns of his destiny and a frightening prediction.