Viking Attack : Tyndale Kids : 9781584111351 : 1584111356 : 30 Aug 2017 : Ethan's dad has invented a time machine, but one day he disappears leaving Ethan scrambling to find him. Along with his two best friends, Ethan uses the machine to go back in time to try and find his father. What the boys encounter is up to you---with interactive choices built in to the story, you decide their fate using important Bible lessons to help make your decisions. This adventure will bring you face to face with pirates, Vikings, monks, and more. Also included are fun puzzles and word games that are filled with fun facts about the historical times that the boys travel to.