Another Mystery Theme puzzle contest!

Just because I feel like giving away another prize, this week's featured StearsWords crossword puzzle is a mystery theme. Figure out what the four theme entries have in common, and send me an email. Don't send the entire grid, just a few words describing what you think the mystery theme is. One randomly selected winner will receive a signed copy of StearsWords: Volume 1, and a Starbucks gift card.

Happy solving!

• Click here to solve interactively.
• Click here for a print-friendly version.
• Click here to see the answer grid.* Check back on Friday, June 21 for the answer grid.