Well, it might be a secret about a past event that has significant implications for the present. Maybe it involves a hidden relationship or a concealed motive. But, of course, that's just speculation until you delve into the story.
I don't have enough information about this House Castillo from the novel. However, it might be a powerful and influential house. It could have a large estate, many servants, and be involved in politics or trade. Maybe it has a unique culture within it, like special feasts or ceremonies.
I'm not entirely sure specifically which top stories are associated with Kendrick Castillo without further research. But generally, they could be about his achievements, contributions in a particular field, or any events he was involved in.
Del Rey Science Fiction is a publisher or a line of science fiction works. It has been known for publishing various science - fiction novels, often with a wide range of themes from space exploration to futuristic societies. Many well - known science - fiction authors may have their works associated with Del Rey Science Fiction.