Largest online book discussion in 24 hours
Miriam Laundry
33695 people
Canada (St. Catharines,The location for the attempt was technically, managed from the office of Laundry Books.)

The largest online book discussion involved 33,695 participants in 24 hours, achieved by Laundry Books (Canada), at an event organized to promote positive mental health through the book "I Can Believe in Myself" in St. Catharines, Ontario, Canada, on May 7th, 2014. The volume of interest and participation in the attempt came from thousands of individuals in twenty nine countries worldwide including Canada, United Arab Emirates, France, USA, Ireland, Austria, Germany, Finland, Singapore, New Zealand, Belgium, Norway, Australia, Philippines, The Netherlands, United Kingdom, Mexico, Spain, Switzerland, Peru, Brazil, Malawi, Bolivia, South Africa, India, Russia, Kingdom of Saudi Arabia, Colombia and Turkey