Ada’s Technical Books is a great bookstore in Seattle, and it was fun to hear Charles Petzold describe six different books on the history of computing he’d like to write, to join Code: The Hidden Language of Computer Hardware and Software (Microsoft Press, 1999) and The Annotated Turing: A Guided Tour Through Alan Turing's Historic Paper on Computability and the Turing Machine (Wiley, 2008). Thank you, Charles, and thank you, Danielle and everyone at Ada’s! ...read more