Rick Riordan has now sold an incredible 55 million copies of his books worldwide
Important places
Atlanta (448)Charleston (236)
Counties
Fulton (457)Charleston (255)
Regions
Roma (1,363)Georgia (1,485)
South Carolina (671)
Countries
Italy (5,202)United States (64,950)
Other geographical areas
Sea Islands (USA) (46)Piedmont (USA) (1,063)
Appalachian Mountains (1,111)
Lazio (1,399)
Carolinas (2,142)
Deep South (4,776)
Southern Europe (7,123)