His writings include "The Formative Years of Relativity: The History and Meaning of Einstein's Princeton Lectures" (with Jürgen Renn, Princeton University Press, 2017) and "The Road to Relativity: The History and Meaning of Einstein's "The Foundation of General Relativity", Featuring the Original Manuscript of Einstein's Masterpiece" (with Jürgen Renn, Princeton University Press, 2017), and "Einstein on Einstein: Autobiographical and Scientific Reflections" (with Jürgen Renn, Princeton University Press, 2020).