When a young boy vanishes from a small Indiana town, his mother, the police chief, and his friends uncover a mystery involving secret experiments, terrifying supernatural forces, and one strange little girl. The world is turning upside down but the 2019 Stranger Things mini calendar should keep your life on track or will it? Mini calendars are ideal for lockers and small spaces. These Forest Stewardship Council-certified calendars highlight 13 images in a compact size. Sixteen months - Sep. 2018 Dec. 2019.