*The first book in The Experiments series* What happens when things get a little stranger before Pennywise comes? A grieving Bill Denbrough is out searching for his missing brother one day with his life-long friends and twin when they discover something that'll make them question their concept of reality altogether. Thrusted into a world of doppelgangers and telekinetic girls, the Losers Club become stranded in a world that both frightens and fascinates them. With no way home, they are forced to make unlikely allies and learn to survive for as long as they can. But something's coming for them, and it won't let all of them leave alive. Will they be able to survive in this strange new world? Will they be able to find Bill's brother? Will they even be able to make it home?

Y/N L/N never thought she would leave the comfort of Hawkins, Indiana, but after the events that left Hawkins flipped upside down, her parents were quick to rush her away from all the action and to a small town in Maine called Derry. she quickly became friends with a group of people who called themselves the Losers Club and finds out that Derry isn't so quiet and normal as her parents might have hoped for. but now it's 1987, three years after the Losers Club defeated It and two years after Y/N and the Party last defeated the Mind Flayer and demodogs, and both forces are back at full force, only this time they seemed to have teamed up to create an even bigger problem than either group had ever seen. there's only one way to stop the horrific events that are taking place and Y/N isn't so sure how it's all going to play out. then again, if she wants to save her friend and protect the lives of her family and friends, this would be the only way. it was time for the Party to meet the Losers Club | It x Stranger Things Crossover | { some Bill Denbrough x reader }