It could be done as an 'ancient magic' type breakthrough, explaining why all the truly great authors were in the past... there are certainly ancient mystical traditions which treat words as a form of magic...
... especially if it is a faerie realm related breakthrough instead of magic...
Eh, I don't really like it. I don't think its awful by itself. Heck independent study, book learner and the proper affinity probably come close with the added benefit of actually increasing your damn score! Its just when it becomes another thing to add to the stack of book improvement things?