Burroughs begins by praising Kaufman's decision to reveal confidential upper-level Scientology teachings in the book: "Mr. Kaufman has shown real courage in publishing Hubbard's so-called confidential materials for the first time in Inside Scientology."

St. Petersburg Times explained that this question was prompted by Scientology teachings that certain problems come from prenatal memories.

As Hubbard's followers progress in their Scientology teachings, they learn of the story of evil alien prince Xenu.

In Scientology teachings, Mr. Hubbard described humans as clusters of spirits that had been trapped in ice and banished to Earth 75 million years ago by Xenu, the ruler of the 26-planet Galactic Confederation.

Information that doesn't correspond to Scientology teachings is termed "entheta"-meaning confused or destructive thinking.

The Church of Scientology has announced that the next two levels of Scientology teaching, OT 9 and OT 10, will be released and made available to church members when all the major orgs in the world have reached Saint Hill size.

Some people in Hollywood feared that Travolta was using his box office draw to promote Scientology teachings, and one film producer stated, "This film could encourage kids to embrace the whole strange world of Scientology."

Grünschloß posits, "because of the connections between several motifs in Hubbard's novels and specific Scientology teachings, one might perceive Scientology as one of the rare instances where science fiction (or fantasy literature generally) is related to the successful formation of a new spiritual movement."

This event in Scientology teachings is known as "Incident II".