The Delorme Atlas is good for learning large areas, but the detail isn't that great. The USGS maps are really good for showing the topography. Here's a link to download free maps: http://store.usgs.gov/b2c_usgs/usgs/maplocator/(ctype=areaDetails&xcm=r3standardpitrex_prd&carea=%24ROOT&layout=6_1_61_48&uiarea=2)/.doAnother free Gov. site: http://www.nationalatlas.gov/index.html