Clever design solutions to STORAGE - BOOKCASES & SHELVING (I have always loved BOXES! (in this age of e-readers and e-books - still love hard-copy books)… Bookcases in a hallway/pass-thru. That's right exploit every single space possible.
Levitate Architects used a staircase to a loft-like bedroom to create an enormous amount of book storage space. Even though the staircase isn't very compact but could accomodate so many books that it would save some space anyway.