Published from July 1934 to June 1996. It's former name was "Letters of Interest from the Home Field." According to Manchester Library http://www.library.manchester.ac.uk/search-resources/special-collections/guide-to-special-collections/christian-brethren-collections/printed-material/periodicals/ the magazine had been continued as "Interest" since 1969 until it's end.
I'm told: "A fascinating magazine which is very hard to obtain in the UK. – organ of the Chapel assemblies in North America."