<p>Chapter 1: Mapping the Field and Documenting the Contribution – Peter Gates and Robyn Jorgensen</p><p>Chapter 2: The social turn from up close and personal - Peter Winbourne</p><p>Chapter 3: Steve Lerman: the man and his work – Gilah Leder</p><p>Chapter 4: Issues of equity and social justice in the construction of Steve Lerman – Peter Gates</p><p>Chapter 5: Tracing advances in the field of mathematics education – Charalampos Sakonidis</p><p>Chapter 6: A speech act in mathematics education – David Wagner</p><p>Chapter 7: Steve through the years</p><p>Chapter 8: International Research Collaboration: An Australian Perspective – Robyn Jorgensen</p><p>Chapter 9: Researching the role of the teacher on creating social just productive classrooms</p><p>that facilitate mathematics learning – Peter Sullivan</p><p>Chapter 10: Turning mathematical knowledge for teaching social – Jill Adler</p><p>Chapter 11: Knowledge construction: Individual or social? - Judith Mousley</p><p>Chapter 12: Intersubjectivity in mathematics teaching: meaning-making from</p><p>constructivist and/or sociocultural perspectives? – Barbara Jaworski</p><p>Chapter 13: Learning as participatory transformation</p><p>– a reflection inspired by Steve Lerman’s papers and practice - João Filipe Matos</p><p>Chapter 14: The philosophy of mathematics education: Stephen Lerman’s contributions - Paul Ernest</p><p>Chapter 15: Leman’s perspective on information and communication technology – Marcelo Borba and Ricardo Scucuglia</p><p>Chapter 16: Troubling Mathematics’ “learners” – Brent Davis</p><p>