ISBN-13: 9781905306930 / Angielski / Mapa, składana / 2017
The Discoverer series are designed for tourist and leisure activities. Each one covers an area of 40km x 30km at the scale 1:50,000. There are 93 sheet in the series. 75 are produced by Ordnance Survey Ireland and 18 by Ordnance Survey Northern Ireland.