Update: I have included the link now.
The shelf is like new and assembled. Used only for 6 months. Here is the Ikea link for this shelving unit.
http://www.ikea.com/us/en/catalog/products/80135298/#/60135299
Original price $39, selling for $30 OBO.

The shelf can be picked up from Mountain View or I can drop it off on campus. Please contact me at sukhada@stanford.edu if you would like to buy the shelf.