You can start this quest by reading "A Runewright Upon Your Shores Has Landed" notice posted on the Seven Cats Inn Notice Board or by talking directly to the Runewright.

You can tell an experienced witcher by the way he examines a notice board. To the novice eye, these weathered planks contain nothing but clumsily-scrawled messages touching on matters thoroughly mundane: trifling announcements, offers of sale or purchase, lewd rhymes, et cetera, et cetera, ad nauseam. A witcher with years under his belt, however, will search the dross carefully, knowing that it often hides a jewel – a witcher contract, for example, or, as in this particular case, information about a mysterious "runewright" from a far-off land...

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