By Popular Demand

ROUND 4

The secret letter is

T

Category 1: An Item Found in a Woman's Purse
Cateogry 2: A Commonly Accepted Term from the game of Cricket
Category 3: A (Western) Roman Emperor
Category 4: An Example of Film Noir (articles, such as The or To, not allowed)
Category 5: A Pre-TSR purchase SPI game title
Category 6: (First or Last) Name of a winner of the Nobel Prize for Literature

I'll run round 4 until I hear from everyone, or next Friday, whichever comes first.