Two nice shelving ideas from the December 2011 issue of Living Etc:
Left: What a nice way to integrate shelving around a bed and doorway. Photo by Manolo Yllera/Vincent Van Duysen Architects
Right: This (in a tree shape or some other playful shape) would be great for a child's room, or covering entire wall in a study or living room and filled with books and personal treasures and mementos. Photo by Camera Press.