"The Atlas of the DC Universe"@en . "The Atlas of the DC Universe by Paul Kupperberg was published in 1990 by Mayfair Games as a supplement to its DC Heroes role-playing game. It includes maps and information about locations in the DC Universe; for example, it places Metropolis in Delaware and Gotham City in New Jersey."@en . . . "978-0-923763-19-0" . . . . .