Simplify the following text for a Grade 6 native English-speaking person.
Original: Gregory McIntosh , a historian of cartography , has examined the Piri Reis map in depth and published his research in the book The Piri Reis Map of 1513 ( Athens and London : University of Georgia Press , 2000 ) .
Simplified: The Piri Reis map is a map of the world drawn by a Turk named Piri Reis ( full name : Hadji Muhiddin Piri Ibn Hadji Mehmed ) in 1513 .