"Riley's Cambridge University pedigree is clear, and anyone fearing obscurity may latch on to 'Fifteen Ekelöf Incipits,' a poem that consists exclusively of 15 small black squares down the left-hand margin. The prosaic explanation for this cryptic behaviour would seem to be a last-minute copyright dispute, but British poetry today is not without black boxes of its own obscuring the scale of Riley's achievement for the larger audience it deserves." David Wheatley • Guardian

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