This short book is a sequel to Knowledge of the Higher Worlds and Its Attainment. The contents first appeared in 1905 in the magazine Lucifer-Gnosis. Later, it was republished in book form.
In these essays Steiner describes the experiences of the student of the three higher stages of consciousness: Imagination, Inspiration, and Intuition. He shows how the student progresses through the various stages on the path to higher knowledge.