Heart of the Master represents a seminal moment in Crowleys’ career and as his Proclamation of the Grade of Ipsissimus, should be considered one of the most important works Aleister Crowley ever produced.
In 1924, after almost a lifetime of intense study and determined experimentation, Crowley passed through “The Supreme Ordeal” of the Ipsissimus Grade while staying in Paris.  The Grade of Ipsissimus being the highest of a series of ten magickal attainments in an ancient system Crowley inherited from The Hermetic Order of The Golden Dawn into which he had been admitted in 1898.
 This edition limited to only 200 numbered copies. Bound in half leather and marbled paper boards hand sewn