M4B files support "metadata" that allows the book to be divided into chapters. This lets you skip to specific sections of the story (e.g., jumping to "Part 2: The Tip of the Iceberg") rather than fast-forwarding through one giant audio file.

The story explores intense themes of racial identity, bisexuality, and the sacrifices made for artistic success in America. Are you having trouble opening the file, or

It follows Leo Proudhammer, a famous Black actor who suffers a heart attack on stage. The "train" in the title symbolizes his life and the social movements passing him by as he reflects on his past.