Book excerpt: Questioning Library Neutrality: Essays from Progressive Librarian presents essays that relate to neutrality in librarianship in a philosophical or practical sense, and sometimes both. They are a selection of essays originally published in Progressive Librarian, the journal of the Progressive Librarians Guild, presented in the chronological order of their appearance there. These essays, some by academics and some by passionate practitioners, offer a set of critiques of the notion of neutrality as it governs professional activity, focusing on the importance of meaningful engagement in the social sphere.