AUTHOR=Cieśla Agnieszka TITLE=Book Review: Age-Friendly Cities and Communities in International Comparison: Political Lessons, Scientific Avenues, and Democratic Issues JOURNAL=Frontiers in Sociology VOLUME=4 YEAR=2019 URL=https://www.frontiersin.org/journals/sociology/articles/10.3389/fsoc.2019.00002 DOI=10.3389/fsoc.2019.00002 ISSN=2297-7775