<http://webisa.webdatacommons.org/244235516>	<http://www.w3.org/ns/prov#value>	"Factors to consider are whether the author is living or dead (and thus not signing any more books!), if the author signed many books or few, and of course the desirability & collectibility of the book in question." .
<http://webisa.webdatacommons.org/prov/386533512>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/244235516> .
<http://webisa.webdatacommons.org/244235516>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/244235516>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<emptymirrorbooks.com> .