<http://webisa.webdatacommons.org/prov/58637312>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/424205776> .
<http://webisa.webdatacommons.org/424205776>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<pennwellbooks.com> .
<http://webisa.webdatacommons.org/424205776>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/424205776>	<http://www.w3.org/ns/prov#value>	"Return Policy - Customers other than Resellers enjoy a 15-day no-risk examination period for all printed PennWell books." .