This book contains two of the most important and popular Sutras of the Buddhist world, summarizing the richness and wisdom of the most fertile period of development of the Mahayana.

They are just a small part of the vast collection of texts of mystical wisdom, the Prajna Paramita (that is, the Perfect or Transcendent Wisdom), which describes the perfect nature of things and the ways in which this is perceived and expressed by the human spirit.

These texts are considered among the oldest and most fundamental of Mahayana.