Mercator's World magazine was founded by Edward Aster and published 44 issues from 1996-2003. The publication is an authoritative reference resource with many articles and illustrations covering a wide range of topics about antique maps, mapmakers, and exploration as well as modern mapmaking. This lot of 4 features the exceptional first issue; Volume 2, Issue 1; Volume 5, Issue 1; and Volume 7, Issue 1.