Clue: Unknown auth.

Answer: ANON

Length: 4

---

Similar Clues:

• Unknown author's byline (ANON with 4 letters)
• Unknown author, for short (ANON with 4 letters)
• Becomes an unknown author on Halloween? (GHOSTWRITES with 11 letters)
• Prolific unknown author? (ANON with 4 letters)
• Unknown author, briefly (ANON with 4 letters)
• Unknown author (ANON with 4 letters)
• "Author unknown," briefly (ANON with 4 letters)
• Author unknown (Abbr.) (ANON with 4 letters)
• Author unknown, for short (ANON with 4 letters)
• "Auth. unknown" byline (ANON with 4 letters)