Activity-Theoretical and Sociocultural Approaches to Learning and Collective Creativity: An Introduction Annalisa Sannino and Viv Ellis Part 1. Creative Collective Endeavors as Pathbreakers of New Learning 1. Musical Creativity And Learning Across The Individual And The Collective Karin Johansson 2. Critical Transitions in the Pursuit of a Professional Object: Simone de Beauvoir’s Expansive Journey to Become a Writer Annalisa Sannino 3. Beyond Traditional School Learning: Fostering Agency and Collective Creativity in Hybrid Educational Activities Katsuhiro Yamazumi 4. Interagency, Collective Creativity, and Academic Knowledge Practices Kai Hakkarainen, Kaisa Hytönen, Juho Makkonen, Pirita Seitamaa-Hakkarainen, and Hal White Part 2. Creative Production and Innovation as Collective Activities Crossing Epistemic Boundaries 5. Resourceful Leadership: Revealing the Creativity of Organizational Leaders Anne Edwards and Marc Thompson 6. Knowledge Sharing in Professions: Working Creatively with Standards in Local Settings Sten Ludvigsen and Monika Nerland 7. Researching Technologies for Enhancing Collective Creativity in Interagency Working Harry Daniels and Peter Johnson 8. Creative Encounters, Collaborative Agency and the Extraordinary Act of the Meeting of a Need and an Object Reijo Miettinen Part 3. Interventions Mobilizing Creative Efforts in Collective Problem Solving and Development of Activities 9.Creative Tools for Collective Creativity: The Serious Play Method Using Lego Bricks Klaus-Peter Schulz and Silke Geithner 10. Learning, Social Creativity, and Cultures of Participation Gerhard Fischer 11. Professional Creativity: Towards a Collaborative Community of Teaching Viv Ellis 12. Collective Concept Formation as Creation at Work Yrjö Engeström