If you're looking ways to nurture talent in the literary arts, NAGC (National Association for Gifted Children) Arts Network is coming to the rescue. Consult their one-pager on the topic. (It reads a lot like Bertie Kingore's chart comparing gifted, creative, vs. high-achieving kids.)
One of Del Siegle's ideas at our 2013 conference was to have kids create eBooks which can be sent (via email) to their Grandma and Grandpa. Now you've got a "real audience" that will motivate the kids to do their best work.
eBooks apps & websites come in different styles that work for various ages:
Foreign language teachers: your students can create children's books in their target language. Where can you find an audience? Is there an international school in your area where the young ones have to learn a foreign language?