Trick or...Trapped! is the 7th Special Edition book in the Give Yourself Goosebumps series.
You are in a rich area of town, trick-or-treating, and are told that the owner of a mansion will give out the best candy if visited. Your initial choice is to visit one out of five houses all of which are blocking the entrance to the mansion, then survive whatever is inside. You will then either be able to enter the mansion or will have to choose another house. There is an item check in this book, and having certain items will effect some of the choices made throughout the story.