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.
Since the first edition, the guidebook has been revised multiple times, with the latest version containing over 6,600 climbing routes found in quarries and on cliffs, establishing it as one of the most extensive climbing guides in the United Kingdom.