I remember when I was a JW receiving a green book called ‘Proclaimers’ which was a book detailing the history of Watchtower. I believe the book is no longer available as they have to keep rewriting their own history, the following is a very helpful video which helps to show the development from study groups to being a large corporation.
![A history lesson](http://www.nickfrench.co.uk/wp-content/uploads/2018/01/whystudyhistory.jpg)