There are now three published recordings of secret excommunication proceedings from the Mormon Church:
The first and perhaps best-known, was the excommunication of Lyndon Lamborn, author of Standing for Something More. Excommunicated for Apostasy and Conduct Unbecoming a Member of the Church August 19, 2007.
The next is mine. By the author of The Korihor Argument (only 99¢ on Kindle until 4/22/2016). Excommunicated for Apostasy and Conduct Unbecoming a Member of the Church August 13,2013.
And now the newest one, Jeremy Runnells, author of Letter to a CES Director. Resigned under duress April 17, 2016.