Enclosure ... and an alphabetical listing of letters not appearing elsewhere in this puzzle's answer

Question:

Answer:

BOX

Length:

Similar Crossword Questions:

Magician, and word whose ten letters make up every answer in this puzzle
Number of letters in the shortest answer in this puzzle
Using both sides with equal frequency (like the letters in this puzzle's answer grid?)
Word or phrase with no repeated letters, such as every answer in this puzzle
Today, to CaesarÂ—and a hint to the hidden word appearing in this puzzle 15 times (including the one in this answer)
Word or phrase that has no repeated letters (every answer in this puzzle is an example of one)
What each word of six or more letters in this puzzle does
Shape formed by connecting the circled letters in alphabetical order, plus one more connection back to A
Achieves a rare baseball feat, delineated by part of each long puzzle answer
Theme answer count, amount of letters in each, word hidden in each, and, when repeated twice, today's date
Characteristic of this puzzle's circled letters, which suggest a 1991 Oscar-winning film
Nitpick, and what this puzzle's circled letters represent
Light lunch (and a hint to this puzzle's circled letters)
Creature suggested by this puzzle's circled letters
Mark that appears four times in this puzzle (hint: the baseball player who's the answer to this puzzle uses one, too)
Classic Dickens title (from whose 10 letters this puzzle was constructed)
Somewhat suspect (and a hint to what can be found by connecting the circled letters in alphabetical order)
What every answer on the perimeter of this puzzle is
Letters to answer?
Second letters of this puzzle's five theme answers (seen in order)
The Process of Elimination: In the answer to each starred clue, cross out any letter that appears ___; then read the letters that remain
Like this puzzle answer
Puzzle answer
1967 Box Tops hit about part of a puzzle answer grid?
Speed letters "trapped" in this puzzle