( (book (year 1994) (title "TCP/IP Illustrated") (author (last "Stevens")(first "W.")) (publisher Addison-Wesley) (price 65.95)) (book (year 1992) (title "Advanced Programming in the Unix environment") (author (last "Stevens")(first "W.")) (publisher Addison-Wesley) (price 65.95) ) (book (year 2000) (title "Data on the Web") (author (last "Abiteboul")(first "Serge")) (author (last "Buneman")(first "Peter")) (author (last "Suciu")(first "Dan")) (publisher Morgan Kaufmann Publishers) (price 39.95) ) (book (year 1999) (title "The Economics of Technology and Content for Digital TV") (editor (last "Gerbarg")(first "Darcy") (affiliation "CITI") ) (publisher Kluwer Academic Publishers) (price 129.95) ) ) (reviews (entry (title "Data on the Web") (price 34.95) (review A very good discussion of semi-structured database systems and XML. ) ) (entry (title "Advanced Programming in the Unix environment") (price 65.95) (review A clear and detailed discussion of UNIX programming. ) ) (entry (title "TCP/IP Illustrated") (price 65.95) (review One of the best books on TCP/IP. ) ) ) (prices (book (title "Advanced Programming in the Unix environment") (source www.amazon.com) (price 65.95) ) (book (title "Advanced Programming in the Unix environment ") (source www.bn.com) (price 65.95) ) (book (title "TCP/IP Illustrated") (source www.amazon.com) (price 65.95) ) (book (title "TCP/IP Illustrated") (source www.bn.com) (price 65.95) ) (book (title "Data on the Web") (source www.amazon.com) (price 34.95) ) (book (title "Data on the Web") (source www.bn.com) (price 39.95) ) )