Gay scriptwriter and novelist Mark Gatiss appears on the front of several listings magazines this week, including Totally TV, the TV Times and The Radio Times, as he promotes a new serial coming to the crime drama channel Alibi. Not only has Gatiss written this new and exciting crime drama, but he's starring in it too, playing Mr Book, who is appropriately enough, the proprietor of an independent and second hand bookstore in post war London (around 1949). Armed with a special letter of commendation by the