Small space organization for your inner multi-tasker; the EXPEDIT shelving unit offers loads of storage space for any space. Utilized as a room divider, it can do double duty as both office and bedroom storage. i like this idea
Tall Double Sided Paris Room Divider - Eiffel Tower/Arc de Triomphe - Wide selection of Room Dividers, Shoji Screens, Oriental and Asian Home Furnishings, Chinese Lamps and accessories at warehouse prices.
My room divider - 2 bookshelves, a tension rod, and two curtain panels. Definitely incorporating bookshelves, but maybe only a 4 foot high divider. Is less for privacy than creating a separate sleeping area in a "teen cave"