Conversation so far:
When did A. J. Cronin start his writing career?
In 1930 at Dalchenna Farm by Loch Fyne A. J. Cronin was finally able to indulge his lifelong desire to write a novel.
What did A. J. Cronin write about at Dalchenna Farm?
A. J. Cronin composed Hatter's Castle in the span of three months.
What was Hatter's Castle by A. J. Cronin about?
The plot revolves around many characters and subplots, all of which relate to the life of the hatter, James Brodie, whose narcissism and cruelty gradually destroy his family and life.
What year did Hatter's Castle by A. J. Cronin come out?
Hatter's Castle came out in 1931.
What other books did A. J. Cronin write besides Hatter's Castle?
One of A. J. Cronin's early novels is The Stars Look Down.

Question: What was this book about?
Self-contained rewrite: What was The Stars Look Down by A. J. Cronin about?