In 2001, he published his first book 'Espresso made in Italy 1901-1962' (Collezione Enrico Maltoni Editore, 2001) describing over two hundred beautiful espresso machines for bars (property of Collezione Maltoni) saved from the wear and tear of time. The book has been reprinted three times and 9,000 copies have been sold to date. Enrico is also the co-author of 'Il libro completo del caffè' (De Agostini Editore, 2005). His contributions have also appeared in Il Caffè (Giunti Editore, 2009).
In 2009, he presented a new book 'Faema Espresso 1945-2010' at the Host trade fair in Milan as both author and publisher. This book deals with the history of the Faema brand and its founder - Carlo Ernesto Valente.
Enrico liaises with important Italian and foreign universities where he gives lectures and runs workshops about the history, culture and design of espresso machines. Since 2001, he has been working with the prestigious Lavazza brand.