Initiation, Human & Solar articulates a graded map of spiritual unfoldment, situating individual discipleship within a planetary and solar economy of consciousness. Bailey surveys the initiatory thresholds, the constitution of the spiritual Hierarchy, the Rays and their psychological coloring, and the disciplines-ethical, meditative, and ceremonial-by which candidates prepare. Its prose is schematic and didactic, favoring numbered sequences, technical terms, and correspondences that link microcosm to macrocosm. Composed in the post-Blavatsky Theosophical milieu, the book synthesizes Indic tropes with Western esoteric cosmology, and reframes initiation from a solitary ascent to an impersonal science of service. Alice A. Bailey (1880-1949), a British-born esotericist who worked within and then beyond the Theosophical Society, founded the Lucis Publishing Company and the Arcane School to systematize occult training for the modern era. Claiming telepathic collaboration with the Tibetan Djwhal Khul, she recast the secret lodge ideal into a pedagogical program stressing group initiation and world service. Her missionary youth, administrative experience, and immersion in postwar humanitarianism inform the text's insistence that spiritual attainment is measured by capacity to organize, teach, and heal within a wider planetary synthesis. Recommended to students of Western esotericism, religious studies, and practitioners seeking disciplined, service-oriented initiatory frameworks. Quickie Classics summarizes timeless works with precision, preserving the author's voice and keeping the prose clear, fast, and readable-distilled, never diluted. Enriched Edition extras: Introduction · Synopsis · Historical Context · Brief Analysis · 4 Reflection Q&As · Editorial Footnotes.