Acknowledgements 1. Steven Vanderputten, Micol Long, Introduction 2. Tjamke Snijders, Communal Learning and Communal Identities in Medieval Studies: Consensus, Conflict, and the Community of Practice 3. Micol Long, Condiscipuli Sumus: The Roots of Horizontal Learning in Monastic Culture 4. Cédric Giraud, Ut Fiat Aequalitas: Spiritual Training of the Inner Man in the Twelfth-Century Cloister 5. Jay Diehl, Truth as Teaching: Lies, Deceit and the Ethics of Learning in Twelfth-Century Monastic Culture 6. Marc Saurette, Making Space for Learning in the Miracle Stories of Peter the Venerable 7. Karl Patrick Kinsella, Teaching through Architecture: Honorius Augustodunensis and the Medieval Church 8. Stephen Jaeger, Men and Women in the Life of the Schools: In the Classroom of Herman of Reichenau 9. Babette Hellemans, Heloise's Echo. The Anthropology of a Twelfth-Century Horizontal Knowledge Landscape 10. Nicolangelo D'Acunto, Forms of Transmission of Knowledge at Saint Gall (Ninth to Eleventh Century) 11. Neslihan ?enocak, Horizontal Learning in Medieval Italian Canonries 12. Sita Steckel, Concluding Observations: Horizontal, Hierarchical, and Community-oriented Learning in a Wider Perspective Bibliography Index