About: http://webisa.webdatacommons.org/153883412

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	Probably because it literally costs nothing other than time to write a book.
http://www.w3.org/ns/prov#wasQuotedFrom	micechat.com