Everything you need to understand or teach To the Hilt by Dick Francis.
Plotting is the most important aspect of detective fiction, with character next in order of significance. Thematic content normally is at a minimum, except for the omnipresent conflict between good and evil, the central role of acquisitiveness as a cause of the downfall of people, and the evil or trouble that lurks behind a facade of civilized morality. All of these generic themes are present in To the Hilt, with the usual Francis...