Stranger Things 1. El Otro Lado by Jody Houser

The Other Side

When a young boy disappears in a quiet Midwestern town, his friends, the local sheriff, and a strange girl with telekinetic abilities uncover a government cover-up and a terrifying parallel dimension known as the Upside Down; together they confront a monstrous threat, face the consequences of dangerous experiments, and fight to rescue their friend while testing the limits of their courage and loyalty.