Complex sentence: First published in 1905, the novel is Wharton's first important work of fiction, sold 140,000 copies between October and the end of December, and added to Wharton's existing fortune.
Split into simpler sentences: First published in 1905, the novel is Wharton's first important work of fiction. It sold 140,000 copies between October and the end of December, and added to Wharton's existing fortune.