Introduction.- Part I - Adult Numeracy.- Chapter 1: Defining adult & numeracy an academic and political investigation / David Kaye.- Chapter 2: Mathematics education and adult learners in Ireland / John O'Donoghue.- Chapter 3: Thinking about relations between adults learning mathematics and reality / Juergen Maasz.- Chapter 4: Scoping the development of a measure of adults' numeracy (and literacy) practices / Diana Coben and Anne Alkema.- Part II.- Chapter 5: Adults' conception of multiplicationInvestigating changes along studies / Andrea Maffia, Maria Alessandra Mariotti.- Chapter 6: Toward mathematics education for adults in Korea / Eun Young Cho and Rae Young Kim.- Chapter 7: Mathematical explorations in the adult classroom / R. Ramanujam.- Chapter 8: Parents' training in mathematics: a societal awareness study / Zekiye Morkoyunlu, Alper Cihan Konyalioglu, and Solmaz Damla Gedik.- Part III.- Chapter 9: Mathematics in youth and adult education: a practice under construction /Neomar Lacerda da Silva and Maria Elizabete Souza Couto.- Chapter 10: "I've never cooked with my maths teacher": Moving beyond perceived dualities in mathematical belief research by focusing on adult education / Sonja Beeli-Zimmermann.- Chapter 11: Maths eyes - a concept with potential to support adult lifelong mathematics eucation / Terry Maguire and Aoife M. Smith.- Chapter 12: Danish approaches for adults learning mathematics as means for labour market and/or for bildung? / Lena Lindenskov.- Part IV.- Chapter 13: A tale of two journeys / Barbara Miller-Reilly and Charles O'Brien.- Chapter 14: Lifelong Mathematics Learning for Adult Learners and Open Educational Resources / Pradeep Kumar Misra.- Chapter 15: Learning from Research, Advancing the Field / Professor Dr. Katherine Safford-Ramus.- Conclusions and Looking Ahead / Juergen Maasz.