'Devon's Non-metal Mines' by Richard A Edwards

North Devon Maritime Museum (http://www.northdevonmaritimemuseum.co.uk/) have kindly pointed us in the direction of this excellent book by Geologist Richard A Edwards that they helped with the research for, along with other local experts. The publication has an informative and well-illustrated chapter devoted to Bideford Black, focusing on the geology and history of coal and pigment mining in North Devon from the earliest records in late 17th Century until the mines' closure in the 1969. It was published by Halsgrove Press in 2010.