Another fine cover here by Brian Bolland; this is Editor Martin Lock's BEM #23 from April 1979.
As well as a colourful letter column (which is, um...shall we say, 'robust, and of it's time'), we have amongst the regular features; Chris Ash, meeting with DJ and comics fan, Paul Gambaccini, and a look at the rise and fall of Power Comics by Lew Stringer. This was Lew's first published article (outside of his own zines). You can read his thoughts about it at his own Blog, which is quite brilliant and can be found at:
Direct link to PDF, here