Simplify the following text for a Grade 7 native English-speaking person.
Original: Areopagitica : A speech of Mr. John Milton for the liberty of unlicensed printing to the Parliament of England is a 1644 prose polemical tract by English author John Milton against censorship .
Simplified: Its full title is Areopagitica : A speech of Mr. John Milton for the liberty of unlicensed printing to the Parliament of England .