Complex sentence: Shah, Idries, "The Commanding Self", 1994 Octagon Press, the enneagram is disguised as "two superimposed squares" with the space in the middle representing the ninth point.
Split into simpler sentences: Shah, Idries, "The Commanding Self", Octagon Press, 1994. The enneagram is disguised as "two superimposed squares" with the space in the middle representing the ninth point.