Much has been written about the work of William Blake and some of the religious beliefs that influenced him, but there is a secret history which, until now, has been kept deep beneath the surface in the mystical underground of England in the eighteenth-century. Here, leading Blake scholar Marsha Keith Schuchard reveals an altogether more intriguing and controversial picture of the poet and artist.The discovery of Blake family documents took Schuchard on a journey of detection that led her to a cast of radical characters including Cagliostro, Zinzendorf and the mystic Swedenborg, and to a world of waking visions, sexual-spiritual experimentation, kabbalistic magic, tantric sex and free love.Why Mrs Blake Cried offers a new insight into the work of Blake and takes us on an extraordinary journey through secret societies and ancient rituals.