This week we're joined by David McGillivray, author of "Doing Rude Things, The History Of The British Sex Film" David worked in the industry from the 1960s onwards and has written the definitive history of British filmic filth. His scholarship has single handedly revived interest in a genre that even he thought was consigned to the dustbin of history. He also shares his Flipside FOUR! Contains Robin Askwith.