Northern Rock is published by the Yorkshire Mountaineering Club, the British Mountaineering Council, the Northumbrian Mountaineering Club, and the Cleveland Mountaineering Club. A beautifully colourful book presenting the best traditional and sport climbing and bouldering in Northumberland, the North York Moors, Yorkshire, and Lancashire. The bumper selection of over 3500 climbs and problems with detailed accurate maps and full photo-diagram coverage has been carefully curated by dedicated local experts from each area. A guidebook that will provide any climber with a massive resource of quality days out, and inspiration for many more on top of that!
For more details see link to Wired Guides