Libraries NI App The Libraries NI App puts the library directly into your pocket. These are just a few of the benefits: carry your membership barcode all the time; scan and use it to borrow books search Libraries NI's extensive catalogue of books and eBooks make requests for books and get them delivered to your library (there is a 50p charge) renew your books with one touch scan the barcode of any book you see to check if we have it in stock make changes to requests wherever you are; control your account tap and download eBooks, audiobooks and eMagazines No endless password entering - stay signed in to Libraries NI services All of this is available through your mobile phone or tablet device.