The USGS published two outline maps of the world. Both are printed in two colorsand use the Van der Grinten projection centered on the Americas. The outline formatmakes them useful as base maps on which you can compile and display specialinformation.
The USGS sells three topographic maps of the world that show international boundaries, country names, capitals, and selected cities and towns. All three, produced by the (formerly the National Imagery and Mapping Agency and formerly Defense Mapping Agency), use the Mercator projection centered on the Pacific Ocean.