Digital bookshop: Can app replace outlets?

Many people enjoy browsing the aisles in bookshops when they are looking for something new to read - but could this experience be replicated by an app?

E-readers are on the rise and bookshops on the decline, but finding the perfect book in a digital world can present something of a challenge.

Samira Hussain visited North America's biggest publishing trade fair in New York to find out more.