Type: The Secret History of Letters was first published in 2004 by I.B. Tauris.
Printer’s Devil: The Life and Work of Frederic Warde, was published by David Godine in 2013
Believe Me, I Am: Selected Letters of Frederic Warde, 1921–1939 was self-published in 2015
Type is Beautiful: The Story of Fifty Remarkable Fonts was published by the Bodleian Library in 2016
Emery Walker: Arts, Crafts and a World in Motion was published by Oak Knoll Press in 2019