Worlds of Exile and Illusion: Rocannon's World / Planet of Exile / City of Illusions (Hainish Cycle, #1-3)

by Ursula K. Le Guin

It was the old League tongue, Galaktika. Like all Foresters, Falk had learned it from tapes and books, for the documents surviving from the Great Age were recorded in it, and it served as a common speech among men of different tongues.