When Will Solvit dreams up an alien defense unit for the future, he doesn't expect to see it in action so soon! He travels to the future and discovers his great-great-great-grandchildren! Can Will and the Solvits of the future fight off the aliens and save the human race from captivity in Will's darkest adventure yet? Featuring cool facts, easy to read text, and a whole lot of mysteries to solve, Will Solvit makes a great companion for middle readers ages 6-11. This is the eighth book in the Will Solvit Series - be sure to check out all 12 adventures!