Prisoner B-3087 by Alan Gratz
"Survive. At any cost. Ten concentration camps. Ten different places where you are starved, tortured, and worked Mercilessly. It's something no one could imagine surviving. But is is what Yanek Gruener has to face." Follow Yanek's hardship as he is yanked from his home in Poland to become a tortured prisoner of the Nazi concentration camps.
Code by Kathy Reichs and Brendan Reichs
"The virals are put to the ultimate test when they find a geocache containing an ornate puzzle box." The third book in The Virals series, follow Tory, Ben, Hi, Shelton, and Cooper as the solve the Gamemaster's puzzle.