Not that I have an empty closet, but i do like this."Closet Office" - Turn your un-used closet/reading nook into an office space. Maximize the little space with lots of shelving and storage *LIKE CORNER DESK/nook & shelving for office corner
Small Home Office Idea - Good lighting is essential in any office. Installing lights directly above your desk, like on a bottom shelf, will make sure you’ve always got enough light, even if you don’t have a window nearby.