Basics BooksAdvanced Procedure and Axioms Extension Course14 lessons in sequence112 written-response questionsBased on Advanced Procedure and Axioms24h14
Basics BooksScientology: A History of Man Extension Course11 lessons in sequence88 written-response questionsBased on Scientology: A History of Man22h11
Basics BooksScientology 8-80 Extension Course9 lessons in sequence72 written-response questionsBased on Scientology 8-808h9
Basics BooksScientology 8-8008 Extension Course19 lessons in sequence152 written-response questionsBased on Scientology 8-800824h19
Basics BooksThe Creation of Human Ability Extension Course16 lessons in sequence128 written-response questionsBased on The Creation of Human Ability32h16
Basics BooksDianetics 55! Extension Course16 lessons in sequence128 written-response questionsBased on Dianetics 55!24h16
Basics BooksIntroduction to Scientology Ethics14 lessons in sequence112 written-response questionsBased on Introduction to Scientology Ethics44h14
