Niccolò Machiavelli wrote The Prince. The Prince has genre Treatise
[Human]: Do you know if Niccolò Machiavelli wrote anything else other than The Prince? [Assistant]: I believe all he has written is The Prince. It has the genres Treatise and Non-fiction, would you like to know other books in either genre? [Human]: I'll take some non-fiction suggestions.  [Assistant]: Other non-fiction titles are; The Happiness Project, The Making of the Atomic Bomb, and The Guns of August. Would you like more information on any of those? [Human]: What is The Guns of August about?  
The Guns of August is about the life of gunsmiths in the 19th century. It was written by Barbara W. Tuchman and released in 1962. It is a memoir.