I'm sorry, but I don't have any information on the author of this 'ussr not one of us novel' as the title isn't very common. You may need to do more research in specialized literary databases or libraries.
I'm not sure specifically as there could be various novels with such a title. It might be about the idea of the USSR being perceived as 'not one of us' from a certain perspective, perhaps exploring political, cultural or ideological differences that set the USSR apart from other entities in the context of the story.
It may have a very distinct setting. A unique location or time period in 'one of us novel' can add a lot of charm and allure to the story. This can create an atmosphere that is both immersive and exciting for the readers.
Well, 'One of Us Is Next' is a follow - up to another story probably. It might center around a new set of events that put the characters in jeopardy. There could be a game - like element where they are pitted against each other or an unknown force. It's often about the drama and suspense within a community of some sort.
It could be Harry Potter himself. He's always been one to help others, especially those in need. He might see a new student being harassed by Slytherins and step in, saying 'one of us will help you'.
I'm not sure specifically as I haven't read it. It might be about a group of people who are in a new place where they are unknown and the various experiences and self - discoveries that follow.