- "The Cambridge Companion to Heidegger" (1993)
- "Heidegger's Political Philosophy" (2004)
- "Heidegger and History" (2005)
- "The Horizons of Continental Philosophy: Hermeneutics, Deconstruction, and Critical Theory" (2010)
- "The Routledge Companion to Heidegger" (2012)
- "Heidegger and the Question of Being" (2014)
- "Heidegger's Critique of Metaphysics" (2016)
- "Heidegger and Political Theory" (2018)
In addition to these books, Allen has also written numerous articles and essays on topics such as Heidegger's philosophy of time, his concept of the event, and his political thought. His work has been widely praised for its clarity and insight, and he is considered to be one of the leading scholars of Heidegger's philosophy.