I'm not sure specifically as I haven't read the exact 'the good shepard novel'. But usually in such a novel, there would be the 'good shepard' character who is likely to be the central figure, perhaps a person with strong moral values and leadership qualities.
Another possible theme is leadership. The title 'the good shepard' gives an indication of someone in a leading role. In the novel, it may explore what makes a good leader, like having integrity, being able to make tough decisions, and inspiring those around them.
Yes, there are quite a few. You can start by looking on fanfiction.net or Archive of Our Own. Some fanfictions might focus on a crossover adventure where Naruto and Fem Shepard team up to fight a common enemy. Others could explore a more character - driven story, like how their different worlds and values collide or how they might learn from each other.
Well, in 'the good shepard story', the main message is about protection and sacrifice. The shepherd is there to protect the sheep from danger, like predators. This can be related to how in real life, there are those who sacrifice their own interests to safeguard others, whether it's in a family, community, or a larger group. It shows the importance of having someone reliable to watch over and guide.
Yes, there are quite a few. You can start by looking on popular fanfiction websites like Archive of Our Own. Just search for 'female Shepard Protheans' and you'll likely find a variety of stories. Some might focus on the Prothean technology and how a female Shepard interacts with it, while others could explore relationships between her and Prothean characters.
Again, without more information, it's hard to say exactly who Sadia Shepard is in this context. She could be the author of the story, perhaps sharing her own experiences or perspectives.
One key element is the political climate of the Cold War. It was a time of high tension between the US and the Soviet Union, and the CIA was in a crucial position. Another is the way intelligence was gathered and analyzed. In the movie, we see agents using various methods, which were actually used in real life.