St John of the Cross was a 16th century Spanish mystic who wanted to reform Catholicism and encourage the integration of meditative practices by its followers. Because of this, he was locked up by other monks and during his imprisonment he wrote one of the world's most famous spiritual poems Dark Night of the Soul. After his escape, he then wrote a commentary to the poem to explain how to deal with any period when one feels completely cut off from God, and totally uninspired by anything. This is the first time the poem and its commentary have been translated by anyone outside the Catholic Church, and the language is exceptionally contemporary and relevant to our everyday concerns, no matter whether the reader is a Catholic, Buddhist or Muslim - or just having a hard time.