Most tip-in sheets signed by an author
- Who
- John Green
- What
- 875,557 total number
- Where
- United States (Brooklyn)
- When
- 22 September 2026
The most tip-in sheets signed by an author is 875,557, and was achieved by John Green (USA) in Brooklyn, New York, USA, as verified on 22 September 2026.
John signed more than 220,000 tip in sheets for his novel Turtles All The Way Down.