Add Yahoo as a preferred source to see more of our stories on Google. Our weekly Sunday crossword is a 15x15 themeless, or “freestyle,” grid. What are we looking for? First and foremost, Slate’s grids ...

Are you a fan of Slate’s crossword? Have you ever thought to yourself, Sure, these grids are good, but I bet I could write one that’s even better? Well, here’s your chance to show us what you’ve got!