- North Star Success Inc., Katayoon Bidad, Shahab Anari
- 150 total number
- Not Applicable ()
The most authors signing the same book online simultaneously is 150, and was achieved by North Star Success Inc., Katayoon Bidad, and Shahab Anari (all Canada) on 1 September 2021.
The participants contributed stories to the book, "COVID ACTS OF KINDNESS", which is a snapshot of the memories, experiences, and observations of people during the COVID-19 pandemic.