About: http://webisa.webdatacommons.org/57826368

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	it is compulsory to use PayPal - but there is an option for those who do not want to sign in to their Pay Pal account to use it as a 'guest' and also an option not to use their conversion rate (which sucks).
http://www.w3.org/ns/prov#wasQuotedFrom	mobileread.com