Today is World Book Day. To mark the occasion we've rounded up 10 of the best ways designers have stored books, from bookshelf staircases to a huge concrete case that spans the wall of a Mexico City home. More
Stepped bookshelves help to divide and characterise this house just outside of Paris, renovated by Italian architect Andrea Mosca. More
Studio Farris Architects has integrated an office into a staircase made from stacked timber beams, and installed it inside a renovated barn in West Flanders, Belgium (+ slideshow). More
Tamir Addadi Architecture has converted the loft of a north London house, adding a staircase that also serves as a spacious bookcase (+ slideshow). More
The Osaka office of Nikken Sekkei's interior design studio features a bookcase conceived as a "stand in a stadium" – the latest example of the trend for bookshelf staircases in both home and office interiors (+ slideshow). More
A staircase runs up alongside a six-metre-high bookshelf inside this house in Ukraine, which also features walls that look like piles of logs (+ slideshow). More
A plywood staircase with built-in cupboards and bookshelves frames a doorway in this Madrid apartment – which follows the London home with a combined bookshelf and staircase we published yesterday. More
Books can be stored beneath the wide steps of this staircase, designed by Zminkowska De Boise Architects to connect the two halves of a split-level living room inside a renovated London flat. More
An alternating-tread staircase doubles as storage cupboards in this tiny Paris apartment by French architects Schemaa (+ slideshow). More
Residents climb over an integrated desk, storage space and shelving to reach the suspended upper section of this staircase by Dutch design studio Mieke Meijer. More
A combined staircase and bookshelf is one of several multifunctional wooden furniture pieces that Swiss design studio Big-Game has inserted into two plain white apartments in Switzerland (+ slideshow). More
Our new Pinterest board features a number of storage designs, including staircases that double as bookshelves, Ronan and Erwan Bouroullec's Corniches shelves and a writing desk in the form of a life-sized mule. See our new storage Pinterest board»
A combined bookshelf and staircase creates a small library with interchangeable shelving at this apartment in the Ukraine by architect Alex Bykov (+ slideshow). More
Architect Carles Enrich converted an old laundry space in Barcelona into an apartment that has a bookshelf merged with the staircase (+ slideshow). More
Dezeen archive: this week's look back into the Dezeen archives has uncovered a selection of staircases combined with bookshelves. See more bookshelf staircases »
The latest residence to feature a combined staircase and bookshelf is this loft conversion in north London by British design studio Craft Design. (+ slideshow) More
A staircase doubles up as a bookcase inside this renovated apartment in Barcelona by Croatian architect Eva Cotman (+ slideshow). More
The latest building to feature an indoor slide is this South Korean house by Seoul studio Moon Hoon, where a wooden slide is slotted into a combined staircase and bookshelf (+ slideshow). More
Walls of books fold around a wooden staircase in this renovation and extension to a north London home by Hackney studio Platform 5 Architects. More
Dutch architects Shift ripped out the walls of this central Rotterdam townhouse and replaced them with a three-storey bookshelf. More