Ben and April Webster, and three friends, Grace Choedon, Serise Hightower, and Carlos Lopez never knew their parents were scientists on a secret mission until they disappeared. Now ? from The Lost World of Atlantis to deepest outer space to an IMAX theater at the Smithsonian and more ? what awaits them is a nemesis so deadly that even Uncle Henry can't protect them. In this science-fiction, adventure novel, The Lost Tribes: Safe Harbor, (Book 2) the search continues and no one is safe. All the branches of science are embedded in this book, plus history and sports, mystery and ethics, and culture, like the Brazilian Akido fighting technique and cool stuff like location codes that go to real places around the world - Just Google them! But most importantly, the bond of this diverse friendship is tested against many obstacles as these 5 kids continue to fight to save a universe they are only just discovering!.