You could start by searching in local libraries. They often have a wide range of books, and there might be one titled 'the right mom true story' there.
In the past, spanking was more commonly seen as an acceptable form of discipline. However, in modern times, many people think there are better ways to discipline like positive reinforcement and communication. But in some spanking mom stories, if the mom is doing it within the bounds of reasonable discipline, it might be considered okay.
I'm not sure specifically which 'the right mom true story' you're referring to. There could be many stories with that title. It might be a personal memoir, a news story, or something else.