About: http://webisa.webdatacommons.org/102648346

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	I mean, the cost of printing and distributing a book is not much more than than for a CD ??? it???s zero if you???re talking Kindle or other electronic versions.
http://www.w3.org/ns/prov#wasQuotedFrom	freakonomics.com