Hidden Signals 2012 & 2013 SWB Issue 1 Jan 2012 SWB Issue 2 Nov 2012 SWB Issue 3 Feb 2013 Hidden Signals #4 July 2013 Hidden Signals #5 August 2013 Hidden Signals #6 September 2013 Hidden Signals #7 October 2013 Hidden Signals #8 November 2013 Hidden Signals #9 December 2013 2014 Hidden Signals #10 January 2014 Hidden Signals #11 February 2014 Hidden Signals #12 March 2014 Hidden Signals #13 April 2014 2015 Hidden Signals #14 March 2015 Hidden Signals #15 June 2015