As readers enter the elevated front entrance of The National Library of Wales in Aberystwyth - which will provide them with a panoramic view of the town when they leave, and a glorious sunset if they are lucky - a lorry arrives round the back with new acquisitions, some of which are very old and will need conservation and binding before they can be viewed. Ifan ab Owen Edwards’ film reveals the work that goes on behind the scenes and introduces the Library’s unique treasures.