A Solitary Act was the first nationally published Anthology (2013) by the members of Croydon Writers (click for link). There are fourteen authors represented with work ranging from extracts from novels, short stories, articles, a short autobiography, poems and descriptions.
Croydon Writers as a writing group has existed since 1945 and was originally known as The Croydon Writers Circle. Details of the arrangements for meetings, etc., can be found on the above link.