Who are the great activists, thinkers and writers who can inspire us in our community development work? Environmentalists, poets, philosophers, civil rights activists, trade unionists – all can help us question the assumptions that underlie our international development practice. This book invites students and professionals of community development and citizen activists to reflect on the roots of their practice and discover the wisdom of writers they may not have heard of before. The book highlights 40 personal and rigorous reflections, distilling several wisdoms and 40 ‘gems’ of ideas for community development, from thought-leaders including Chimamanda Ngozi Adichie, Ela Bhatt, Jacques Derrida, Frantz Fanon, Paulo Freire, bell hooks, John Keats, Rosa Luxemburg, Wangari Maathai, Manfred Max-Neef, Arundhati Roy, E.F. Schumacher, Vandana Shiva, Rabindranath Tagore and Greta Thunberg. The book’s introduction will support readers in creating a personal practice framework, and a Coda/Map of Practice offers a vibrant visual representation of practice wisdoms in watercolour. 40 Critical Thinkers in Community Development is an important resource for daily or weekly readings and reflections, study groups, working or project teams, and as a resource for teachers of community development.