Conversation so far:
who first said all is fair in love and war
All is fair in love and war is a proverb attributed to John Lyly's Euphues.
what is john lyly known for
John Lyly is best known for his two novels, Euphues, The Anatomy of Wit and Euphues and His England.

Question: what is the genre
Self-contained rewrite: what is the genre of euphues, the anatomy of wit and euphues and his england