The Macarian writings are among the most important and influential works of the early Christian ascetic and mystical tradition. This book offers an introduction to the work of Macarius-Symeon (commonly referred to as Pseudo-Macarius), outlining the lineaments of his teaching and the historical context of his works. The book goes on to examine and re-evaluate the complex question of his relationship with the Messalian tendency and to explore the nature of his theological and spiritual legacy in the later Christian tradition.