A Piece of Blue Sky

The book is arranged into nine parts, plus introductory material. In part 1, Atack describes his personal experience in the Scientology organisation. Parts 2 – 8 provide a chronological history of L. Ron Hubbard, Dianetics and Scientology, researched from paper sources and interviews. The final part draws conclusions about the belief system of Scientology and its founder. The book also contains a preface by Russell Miller, author of Bare-faced Messiah.

Marco Frenschkowski, writing in the Marburg Journal of Religion in 1999, describes A Piece of Blue Sky as "the most thorough general history of Hubbard and Scientology, very bitter, but always well-researched."[3] It has been widely used as a source in scholarship, and is cited in several academic publications.[4] The Tampa Tribune-Times said that Atack's provision of extensive detail and source notes for each claim sometimes gets in the way of the story, but prevents the book from being just another bitter diatribe against Scientology.[5]

When republished in 2013, the scholar of new religious movements Stephen A. Kent called the book "an unrivalled piece of superb scholarship...All future scholarship on Scientology will build upon his contribution."[6][7]

In 1990, Scientology's publishing arm, New Era Publications, attempted to prevent publication by arguing that the manuscript's inclusion of material by Hubbard infringed on their copyright of Hubbard's work, and would harm sales of the original texts.[8] The court ruled that the manuscript might discourage people from buying Hubbard's books by convincing them he was a swindler, and that copyright law protects rather than forbids this kind of criticism.[9] Before the outcome of the case was known, the publisher prepared two versions of the book: one with and one without Hubbard's quoted material.[2] After publication, Scientologists picketed Atack's East Grinstead home for six days and spread defamatory leaflets around his neighbourhood.[10]

In April 1995, a court in England held that Atack had libelled Margaret Hodkin, the headmistress of Scientology's Greenfields School in England, and issued an injunction forbidding publication of an offending paragraph.[11] The decision was upheld by the High Court in London in May 1995.[12] The case led Amazon to remove the book from its listings in February 1999, but it reversed its decision a few months later after customers complained.[13][14]

Jon Atack (born Jonathan Caven-Atack in 1955) is a British artist, published author and widely recognized as one of the most outspoken critics of the Church of Scientology. He joined Scientology at the age of nineteen in 1974, and was based largely in the Church of Scientology's British headquarters at Saint Hill Manor in England. During his training, he said he progressed to Scientology's Operating Thetan level 5 (OT5), completing 24 of the 27 levels of progress within Scientology.[15]^: 34

He left the organisation in 1983, disillusioned with the new leadership of David Miscavige who had taken over in the early 1980s.[5] He wrote that he saw the new management as tough and ruthless, and objected particularly to the 15-fold increase in training fees. He also objected to being told not to have relationships with so-called "suppressive persons", meaning those whom the organisation had declared enemies and whom should not be communicated with; one such person was one of Atack's friends.[15]^: 35ff

• Scientology controversies
• Books critical of Scientology

• A Piece of Blue Sky at Open Library
• jonatack.com, Jon Atack's art website
• Jon Atack's YouTube Channel on Scientology, cults, disinformation