books.google.co.uk - This book explains to the hillwalker, in easy to understand but accurate terms, how geology has shaped the landscape of Snowdonia. A selection of thirteen guided walks are used to illustrate this in terms of what can be seen on the ground. Divided into two parts, it is intended to help those who love...http://books.google.co.uk/books/about/RockTrails_Snowdonia.html?id=rr5UJ4ycZ3AC&utm_source=gb-gplus-shareRockTrails Snowdonia
