The January 2013 edition of Artforum—volume 51, number five—has arrived, complete with a winter preview, a superb essay by Beau Rutland on the work of Anicka Yi and Dara Birnbaum writing on Hilma af Klint. There is also a very substantial piece on Frances Stark by Mark Godrey. Lots of great material! However, we are here today for the ads. Six especially strong ones are in the slide show at left. Have a look.