Crista Flanagan, Mad Men

Lawnmower fetishists rejoice: Crista Flanagan, who plays Mad Men's Lois, appears in the August issue of Playboy in a 1960s-style pinup shoot.

Mad Men exclusive: Creator and stars dissect Season 4's fresh start

Photos of the 34-year-old actress, whose character famously maimed an executive while riding a John Deere, are accompanied by an essay about Mad Men by George Lois. The former adman created many of Esquire's most famous cover images, including Andy Warhol in a soup can and a woman shaving.

Christina Hendricks, Esquire's best-looking woman, turned on by manners and Scotch-drinkers

Flanagan isn't the first in Sterling Cooper's secretarial pool to make a play for newsstand glory: Esquire named Christina Hendricks, who plays super-efficient Joan Holloway Harris, the best-looking woman of the year in its April 2010 issue.

Mad Men's fourth season premieres Sunday, July 25 at 10/9c on AMC.