This text-book offers a conscious and gentle method of immersion, convenient for all students of any background. It provides numerous and efficient exercises, and presents various excerpts from Greek authors right from the first steps. It is self-sufficient. It is the first-choice tool for self-taught students, high school or college teachers. It has been a best-seller in its category for over thirty years in its French version. Going safely step by step, students will acquire the essential notions to approach ancient Greek literature, in original texts. This word, pronounced hermaïon, gives its Greek title to this work; it designates a godsend, a wind-fall, a happy finding placed on your path by Hermes, god of the highways and of all human and/or divine communications.