Written by Sub Brit member Mark Dalton, available on Pre-Order from Amazon:
[ame]http://www.amazon.co.uk/Royal-Observer-Corps-Underground-Monitoring/dp/095644055X/ref=sr_1_1?ie=UTF8&qid=1310977148&sr=1-1[/ame]
[ame]http://www.amazon.co.uk/Royal-Observer-Corps-Underground-Monitoring/dp/095644055X/ref=sr_1_1?ie=UTF8&qid=1310977148&sr=1-1[/ame]