Other than a brief cameo to open the first chapter, Wilbur Ross, who served as secretary of commerce during Donald Trump’s presidency and is poised to do so again should the Republican candidate win in November, does not introduce us to Trump until 200 pages into his new book, Risks and Returns: Creating Success in Business and Life. First, we meet dozens of colorful characters, including a World War I French Army private-turned-World War II American general, a young, recently fired Salomon Brothers partner named Mike Bloomberg, and a flamboyant corporate raider named Victor Posner.