books.google.com - After a terrorist attack on a reservation in Oregon leaves thousands dead, Jack Sigler, call sign King and his Chess Team-Queen, Rook, Bishop and Knight-must protect the only survivor, thirteen year-old Fiona Lane. When a death in the family pulls King away, and the rest of the team is sent on a mission,...https://books.google.com/books/about/Threshold.html?id=Ja_OwdTm398C&q=struck&utm_source=gb-gplus-shareThreshold