This is a new edition of the classic guidebook that brings into one place all the information available on the mysterious landmark Glastonbury Tor. A full picture is drawn of the Monastery of St Michael (of which only the church tower remains), the Tor labyrinth, the alignments, the hidden stones, the underground water, the legends, mythology and the Arthurian connections. The Tor is set in its many historic and prehistoric contexts to discuss the challenging question of the purpose of the terraces.