Before they were Players ... Before the Calling ... They trained to be selected as the one to save their ancient bloodline-and win Endgame. In this collection of Training Diaries novellas, follow Marcus, Chiyoko, Sarah, Alice, Aisling, Baitsakhan, Jago, An, Shari, Kala, Maccabee, and Hilal through sacrifices and betrayals, broken hearts and broken bones, as they shed their normal lives and transform into the Players they were meant to be. They must train, learn, prepare. To Play, survive, and solve. To kill or be killed. Endgame is real. Endgame is coming. And only one can win.