The book's sources may be traced back to the early 1970s; Helen Schucman first experiences with the "inner voice" generated her then supervisor, Bill Thetford, to get hold of Hugh Cayce at the Association for Study and Enlightenment. In turn, an introduction to Kenneth Wapnick (later the book's editor) occurred. During the time of the release, Wapnick was read this article  psychologist. After conference, Schucman and Wapnik spent over annually editing and revising the material.

Another release, this time around of Schucman, Wapnik, and Thetford to Robert Skutch and Judith Skutch Whitson, of the Foundation for Inner Peace. The initial printings of the guide for distribution were in 1975. Ever since then, trademark litigation by the Foundation for Internal Peace, and Penguin Publications, has established that this content of the first version is in the general public domain.

A Course in Miracles is a teaching device; the course has 3 books, a 622-page text, a 478-page scholar book, and an 88-page educators manual. The materials could be learned in the obtain plumped for by readers. This content of A Course in Miracles handles the theoretical and the realistic, though application of the book's substance is emphasized. The writing is mainly theoretical, and is a cause for the workbook's classes, which are practical applications.

The book has 365 classes, one for every day of the entire year, though they don't have to be performed at a rate of one lesson per day. Perhaps most like the workbooks that are common to the average reader from past knowledge, you are requested to utilize the material as directed. But, in a departure from the "normal", the audience is not needed to believe what is in the workbook, or even take it. Neither the book or the Class in Wonders is meant to total the reader's learning; merely, the materials really are a start.

A Program in Wonders distinguishes between information and belief; the fact is unalterable and timeless, while notion is the world of time, modify, and interpretation. The planet of belief supports the principal ideas inside our thoughts, and maintains us separate from the reality, and separate from God. Belief is restricted by the body's limits in the physical earth, ergo restraining awareness. Much of the ability of the world supports the pride, and the individual's separation from God. But, by taking the perspective of Christ, and the style of the Sacred Spirit, one understands forgiveness, both for oneself and others.