Ordnance Survey, United Kingdom, 2007. Sheet map, folded. OS Explorer Map is the Ordnance Survey's most detailed map and is recommended for anyone enjoying outdoor activities like walking, horse riding and off-road cycling. Providing complete GB coverage the series details essential information such as youth hostels, pubs and visitor information as well as rights of way, permissive paths and bridleways.
Books can be attributed to "Unknown" when the author or editor (as applicable) is not known and cannot be discovered. If at all possible, list at least one actual author or editor for a book instead of using "Unknown".
Books whose authorship is purposefully withheld should be attributed instead to Anonymous.