There is a book that takes place in multiple continents called A Song of Ice and Fire.
 Martin moved the unfinished characters' stories set in the east (Essos) and north (Winterfell and the Wall) into the next book, A Dance with Dragons, and left A Feast for Crows to cover the events in King's Landing, the Riverlands, Dorne, and the Iron Islands
"==== Other writings ====Regarding A Song of Ice and Fire as his masterpiece, Martin stated he would never write anything on this scale again and would only return to this fictional universe in the context of stand-alone novels

