There have since been several revisions to the guidebook since the first edition, and the latest revision contains some 6,600 climbing routes either in a quarry or on a crag and making it one of the biggest climbing guidebooks in the UK.
The guidebook has been updated multiple times since its first publication, with the most recent version containing over 6,600 climbing routes found in quarries and on cliffs, positioning it as one of the largest climbing guides available in the United Kingdom.