non-fiction
US /ˌnɑːnˈfɪk.ʃən/
UK /ˌnɑːnˈfɪk.ʃən/

1.
prose writing that is based on facts, real events, and real people, such as biography or history.
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I prefer reading non-fiction books to novels.
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The library has a large section dedicated to non-fiction.
1.
based on facts or real events; not fictional.
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The film is a non-fiction account of the war.
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Her latest book is a non-fiction exploration of ancient civilizations.