Largest circulation

Largest circulation
Who
The Truth that Leads to Eternal Life
When
01 January 0001
Total sales through non-commercial channels by Jehovah's Witnesses of The Truth that Leads to Eternal Life, a book published by the Watch Tower Bible and Tract Society of New York City, USA on 8 May 1968, reached 107,686,489 in 117 languages by May 1996.