Most translations of a single title signed by the author in 1 sitting

Most translations of a single title signed by the author in 1 sitting
Quién
Paulo Coelho
Dónde
Alemania (Frankfurt)
Cuándo
The world record for most translations of a single title signed by the author in one sitting belongs to Paulo Coelho (Brazil) who signed 53 different language editions of his bestseller The Alchemist on 10 October 2003, from 6:30pm to 8pm, at the Frankfurt Book fair, Germany.