The phrase "nonfiction side" refers to the category or type of literature that deals with facts, real events, and true stories. It is the opposite of fiction, which includes imaginary or made-up content.
Sentences with «nonfiction side»
On the nonfiction side of the ledger, the pasture is even lusher and more science - y. (discovermagazine.com)
YAMATO: On the nonfiction side, a variety of documentaries made impressions this year. (latimes.com)