This book is an homage to Ernest G. McClain and includes the following articles: Jean Le Mee: THE CHALLENGE OF ABUL WAFA; Leon Crickmore: CASTLERIGG: STONE OR TONE CIRCLE? Jay Kappraff: ANCIENT HARMONIC LAW; Sarah Reichart & Vivian Ramalingam: THREE HEPTAGONAL SACRED SPACES; Pétur Halldórsson: PATTERN OF SETTLEMENTS PACED FROM 1-9; Anne Bulckens: THE METONIC CYCLE OF THE PARTHENON; Jay Kappraff and Ernest McClain: THE PROPORTIONAL SYSTEM OF THE PARTHENON; Richard Heath: THE GEODETIC AND MUSICOLOGICAL SIGNIFICANCE OF THE SHORTER LENGTH OF THE PARTHENON; Richard Heath: ERNEST MCCLAIN'S MUSICOLOGICAL INTERPRETATION OF ANCIENT TEXTS; John Bremer: THE OPENING OF PLATO'S POLITY; Bryan Carr: ONTOLOGY INSIDE-OUT; Babette Babich: THE HALLELUJAH EFFECT; Pete Dello: MCCLAIN'S MATRICES; Richard Dumbrill: SEVEN? YES -- BUT ...; Howard Barry Schatz: THROUGH THE EYES OF PLATO; Gerry Turchetto: MEMORIES OF ERNEST G. MCCLAIN.