About: http://webisa.webdatacommons.org/95061569

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	The author explains the importance of writing instruments and the surfaces onto which letters are inscribed, including the particular challenges introduced with the innovation of the printing press, and later the computer.
http://www.w3.org/ns/prov#wasQuotedFrom	amazon.ca