Modern day life dictates that there is no time to actually set the video recorder, never mind arranging to be in every Monday night at 10 for six consecutive weeks to catch each episode of Life on Mars as it is broadcast. Far easier, cost permitting, to either buy or rent the entire series on DVD. The world has now caught on to this view-at-your-own-leisure idea and sales of TV series on DVD have gone through the roof accordingly. Leaving aside the flimsy Rough Guide to Cult TV there is nothing resembling a comprehensive or authoritative guidebook to TV on DVD around at the moment. Enter Jo Berry with an alarming amount of TV detail and trivia, as well as firm opinion, formed over the course of long hours spent toiling away in front of the box in the corner.