For narrative writing, consider purchasing "bare books" at www.barebooks.com. These inexpensive, hard-cover books have blank pages your child can either write his final copy on or cut and paste his typed writing on. Using these books, your child can turn his story into a real book to share with others! You can print graphics for the cover, and use clear contact paper to protect it. Even in middle school, my oldest son would make a few of these each year just for fun.
Enjoy!