Essentially, a non-fiction choose-your-own-adventure game*. Full screen has been recently changing the background color to black - no idea why - so just try it and see. It's not necessary for reading. 

*Or, a nearly 7,000 word informal essay about Mr. Midshipman Easy by Frederick Marryat that allows you to choose your own level of context. This essay will focus on conceptions of childhood in the 18th and 19th centuries, changing and oppositional masculinities within the 19th century, and how the Navy functions as a second womb in Mr.Midshipman Easy.