A book has been published by one of the 'Bevin boys' 70 years after the start of the conscription scheme which sent young men underground to replace miners who had gone to war.

The boys were named after wartime minister Ernest Bevin who devised the scheme.

Thousands of the young men worked in Wales and one was Michael Edmonds who spent three years at Bedwas near Caerphilly.

His mining memoir was edited by Dr Peter Wakelin who is also the secretary of the Royal Commission on the Ancient and Historical Monuments of Wales.

He told the BBC's Vaughan Roderick about the book and its author.