<http://webisa.webdatacommons.org/prov/90438569>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/38928913> .
<http://webisa.webdatacommons.org/38928913>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/38928913>	<http://www.w3.org/ns/prov#value>	"This book was a little difficult to get into at first." .
<http://webisa.webdatacommons.org/38928913>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<amazon.com> .