The following issues (physical print versions) are now out of stock and discontinued:
1,2,3,4,5,6,7,8,9,10,11,12,13,15,16,19,20,21,22,23,25,26,28,29
The following discontinued issues are now available as PDF downloads:
1,2,3,4,5,6,7,8,9,10,11,12,13
Grab the PDFs from HERE.
I am currently allowing the stock for issues 1-39 to run down to zero, at which point, the physical print versions will no longer be available, and PDF versions will become available as and when the time is right.