When Maggie Sanger-Stuart and her infant daughter are abducted, she quickly finds herself on a mission to retrieve the missing tiles that will complete a strange and powerful madonna mosaic with the ability to cause natural disasters. She alone is allowed to leave to get the tiles that will save her daughter and other women and children who are also being held hostage. With the help of her husband, Lex, Maggie helps save the world from an evil family bent on domination. Evelyn Vaughn's Seventh Key (4) is the exciting conclusion to the Madonna Chronicles. Vaughn's novel is so good that you'll be hooked immediately.