What is the author's style in Black Friday by James Patterson?

The book as a whole is written in easy-to-understand language, though the fact that it's based on Wall Street and is centered on the financial market means there are some passages that contain financial information that may be difficult to understand. There are extensive passages that focus on in-depth financial information - such as the table that explains the prices of stocks at a particular moment. While understanding those passages helps with the overall understanding of the book, there's no need to get bogged down in those details