ROYAL Mail will unveil special postboxes, including one in Co Down, to mark World Book Day today.
The postboxes celebrating authors and illustrators feature lines from books including by young Co Down naturalist Dara McAnulty.
Postboxes will also be unveiled in England, Scotland and Wales.
The north's postbox is in Castlewellan.
It will feature quotes from Mr McAnulty's book Wild Child: A Journey Through Nature and Diary of a Young Naturalist as well as lines from Martin Waddell, writer of children's books including Owl Babies and the Little Bear series; Sophie Kirtley, children’s author of books including The Wild Way Home; and Kelly McCaughrain, young adult author of books including Flying Tips for Flightless Birds.
Lines from authors Greg James and Chris Smith and Nadiya Hussain, with artwork from Harry Potter cover illustrator Jonny Duddle, will feature on the other postboxes.
Royal Mail is also marking the 25th anniversary of World Book Day with a special postmark.
David Gold of Royal Mail, said: "The UK has produced many world class authors and illustrators who have written books and created characters that have inspired and entertained children and adults for generations."
Cassie Chadderton, chief executive of World Book Day, said: "We are delighted to be celebrating authors and illustrators from across the UK to mark our 25th anniversary with Royal Mail.
"It's lovely to see some of our £1 book authors and illustrators featured and we hope the postboxes inspire more families to read together and showcase just a few of the wonderful books available for children to explore."
