Love this idea! Take two IKEA Expedit bookcases, frame in MDF, paint, attach casters, and bolt some stained to the top. Designed by the amazing Justine Taylor. This would be good in craft room or an office and maybe a kitchen island.
SHORT BILLY BOOKCASE-- Ikea Hack--The bookshelf hack is kind of like the open shelving version of an island: The back is totally exposed and reveals organized compartments for baking supplies, books, and even snacks. See more at Golden Boys & Me