Consider writing a short work of nonfiction on one or more of these topics as well. (howtoblogabook.com)
What it's about: This dense work of nonfiction lays out how the human need for energy has shaped our society throughout history. (entrepreneur.com)
Bibliography or reference list: The bibliography section, typically used in works of nonfiction, lists the sources for works used in the book. (indiebookwriters.com)