Readers, please enjoy this guest blog post by Mark Spencer, author of A Haunted Love Story.. My family experienced a lot of doppelgänger activity when we first moved into the Allen House four years ago. It wasn’t exclusive to our youngest son, who was then five, but it involved him more than other family members. We’d see Jacob go into a bathroom and never come out. We’d see him standing in the upstairs hallway on our way down the stairs, and when we got downstairs seconds later, he would be in the kitchen, eating cereal and watching Sponge Bob Square Pants—oblivious to the fact that a spirit was using his energy to manifest itself and taking on his appearance. A friend of our