Penguin Books demonstrated that large audiences existed for books.
'' This is a list of articles related to Northern Ireland .. Northern Ireland. Northern Ireland. Ireland. Ireland. For a list of topics related to the island of Ireland , see the list of Ireland-related topics ; for a list of topics related to the United Kingdom , see the Outline of the United Kingdom .. Ireland. Ireland. list of Ireland-related topics. list of Ireland-related topics. United Kingdom. United Kingdom. Outline of the United Kingdom. Outline of the United Kingdom. This is a list of Northern Ireland -- related topics .. Northern Ireland. Northern Ireland. Ireland. Ireland. is a part of the United Kingdom in the north-east of the island of Ireland .. Ireland. Ireland. United Kingdom. United Kingdom. a part of the United Kingdom. Administrative geography of the United Kingdom. It is variously described as a country , province or region of the UK , amongst other terms .. variously described. #descriptions. country. Countries of the United Kingdom. province. ISO 3166-2 :GB. region. NUTS regions. The following list of topics relating to Northern Ireland are grouped alphabetically .. Northern Ireland. Northern Ireland. Ireland. Ireland