ITMB Publishing (International Travel Maps and Books) producentem map i atlasów krajów i regionów całego świata. Specjalizującą się w Afryce, Azji, Kanadzie, Karaibach, Europie, Bliskim Wschodzie i Ameryce Łacińskiej.

This is actually a new map, combining two separate countries into one double-sided map with two separate covers – Nicaragua on one side, and El Salvador on the other. 
For Nicaragua, the publishers have updated the road information and added new inset maps of Managua, San Juan, and Leon. The Legend of the map includes Roads by classification, Airports, Point of Interest, Public Overseas Phone, Hospitals, Campsite, Gas Stations, Tourist Information, Nature Reserve, Turtle Area, Hot Springs, Beaches, Churches, Fishing, Camping grounds, National Park, Harbour, Border Gate, and much more. 
For El Salvador, the publishers have included an inset map of San Salvador at a scale of 1:45 000 and place name index, as well as many images of El Salvador.