Dianetics ’55! examines at length the importance of communication to the freeing of the human spirit and is the definitive Scripture regarding communication. The text describes universal laws which govern communication and discusses the practical and procedural uses of these laws in auditing at every level of the Bridge.

It further explores the capabilities of the thetan and defines the components of freedom and entrapment. The final chapter is devoted to exteriorization, that state of the spirit existing outside of the body, separate and apart from the material universe.