What if sending one letter could rewrite reality?Milo Chance broke the rules. He didn't mean to unravel the system. But when he sent a warning to someone the system had forgotten, everything changed.Now the school is glitching. Threads are breaking. And Quinn, his only ally, might be slipping out of existence entirely.As Milo digs deeper into the mystery, he discovers hidden maps, overwritten timelines, and signals that were never meant to reach him. A single word follows him through the chaos: STOP.But stopping might be the one thing he cannot do.Strange, emotional, and filled with quiet tension, The Kid Who Wasn't There is the sixth installment in the nine-part Letters from the End of the World series. Perfect for fans of puzzling systems, eerie schools, and stories that ask more questions than they answer.