From the poet Steve Nash's collection Taking the Long Way Home (Stairwell books, 2013)
For more on Steve, check out his blog http://starlighttocasualmoths.blogspot.com/
To buy the book - and do buy it folkes, it's fantabulous http://stairwellbooks.co.uk/
PS. This is the version of the drawing, pre-touch ups. So enjoy an original with all of its misguided lines.
Below, the image post-touch up. (In case you're interested)