Holly has told us several times of his real identity.
http://www.ablemuse.com/erato/showth...david+phillips
From Angle Issue 4, where one his poems appears: Holly Martins’ first collection of verse, Man in the Long Grass, was published by Iron Press in 2000. A Poetry Review prize-winning poem was featured on the London Underground. He is the author of two radio plays, which have been broadcast on RTE and BBC Radio.
http://www.ironpress.co.uk/books/manIntheLongGrass.html
Or, if you must,
www.amazon.co.uk Buy Man in the Long Grass by David Phillips (ISBN: 9780906228821) from Amazon's Book Store. Free UK delivery on eligible orders.