He is the editor of Theory & Research in Social Education, the premier research journal in social studies education, and is the editor of Reassessing the Social Studies Curriculum: Promoting Critical Civic Engagement in a Politically Polarized, Post-9/11 World (Rowman & Littlefield, 2016) and Teaching Social Studies in an Era of Divisiveness: The Challenges of Discussing Social Issues in a Non-Partisan Way (Rowman & Littlefield, 2016).