Google Books Search API : Data API - Reference -

■ Book Search feed types

　● Search feed

http://books.google.com/books/feeds/volumes?
  q=[KEYWORD]
  &start-index=[NUM]
  &max-results=[NUM]
  &min-viewability=[noview|partial|full]

　● Partner Co-Branded Search feed

http://books.google.com/books/feeds/p/PARTNER_COBRAND_ID/volumes?q=[KEYWORD]

　● Single item feed

http://www.google.com/books/feeds/volumes/VOLUME_ID

　● User library feed

認証あり (authentication token in the Authorization HTTP request header)

http://books.google.com/books/feeds/users/me/collections/library/volumes

認証なし

http://books.google.com/books/feeds/users/USER_ID/collections/library/volumes

　● User annotation feed

認証あり (authentication token in the Authorization HTTP request header)

http://books.google.com/books/feeds/users/me/volumes

認証なし

http://books.google.com/books/feeds/users/USER_ID/volumes

■ HTTP response codes for Book Search Data API requests

Code	Explanation
200 OK	No error. The request to retrieve or update the resource, feed, or entity was successful.
201 CREATED	Creation of a resource was successful.
400 BAD REQUEST	Invalid request URI or header, or unsupported nonstandard parameter.
401 UNAUTHORIZED	Authorization required. This may occur when a request did not contain an Authorization header, when the format of the Authorization header was invalid, or that the authentication token supplied in the header was invalid. See the Authentication section of the developer's guide.
403 FORBIDDEN	Unsupported standard parameter, quota exceeded, or authentication or authorization failed.
404 NOT FOUND	Resource (such as a feed or entry) not found.
500 INTERNAL SERVER ERROR	Internal error. This is the default code that is used for all unrecognized errors.

■ Book Search elements reference

　- Atom elements reference

　● atom:category

　　<category> element : エントリの分類

　　例

<category scheme="http://schemas.google.com/g/2005#kind"
  term="http://schemas.google.com/books/2008#volume"/>
<category scheme="http://schemas.google.com/books/2008/labels" term="ForLydia"/>

　● atom:link

　　レビュー、サムネイル画像、プレビュー URL、検索結果ページなどへのリンク

　　例

<link rel="http://schemas.google.com/books/2008/thumbnail" type="image/jpeg"
  href="http://bks3.books.google.com/books?id=o9dyGQAACAAJ&printsec=frontcover&img=1&zoom=5&sig=ACfU3U2sYY4y7XFmHKMYvISqfVGKwdN93w&source=gbs_gdata"/>
<link rel="http://schemas.google.com/books/2008/info" type="text/html"
  href="http://books.google.com/books?id=o9dyGQAACAAJ&dq=pride+and+prejudice&ie=ISO-8859-1&source=gbs_gdata"/>
<link rel="http://schemas.google.com/books/2008/preview" type="text/html"
  href="http://books.google.com/books?id=o9dyGQAACAAJ&dq=pride+and+prejudice&ie=ISO-8859-1&source=gbs_gdata"/>
<link rel="alternate" type="text/html"
  href="http://books.google.com/books?id=o9dyGQAACAAJ&dq=pride+and+prejudice&ie=ISO-8859-1"/>
<link rel="self" type="application/atom+xml"
  href="http://www.google.com/books/feeds/volumes/o9dyGQAACAAJ"/>

　- Dublin Core elements reference

　● dc:creator

　　著者、訳者など

　　例

<dc:creator>Jane Austen</dc:creator>

　● dc:date

　　出版日

　　例

<dc:date>1813-01-28</dc:date>

　● dc:description

　　説明

　　例

<dc:description>Austen's comedy of manners--one of the most popular novels
of all time--features splendidly civilized sparring between the proud Mr...</dc:description>

　● dc:format

　　ページ数

　　例

<dc:format>95 pages</dc:format>

　● dc:identifier

　　特定の本への明白なリファレンス
　　・各 <entry> に少なくとも1つ含まれる
　　・最初の identifier は Books Search でユニーク
　　 (例 s1gVAAAAYAAJ)
　　・2番目以降の identifier は外部の識別子 (ISBN, ISSN,
　　　Library of Congress Control Numbers (LCCNs),
　　　OCLC numbers) これらには prefix ("ISBN:" など) がつく

　　例

<dc:identifier>qCkfAAAACAAJ</dc:identifier>
<dc:identifier>ISBN:0582780934</dc:identifier>

　● dc:publisher

　　出版社

　　例

<dc:publisher>T. Egerton of the Whitehall Military Library</dc:publisher>

　● dc:subject

　　主題。topic of the book

　　例

<dc:subject>Fiction</dc:subject>

　● dc:title

　　タイトル

　　例

<dc:title>Pride and Prejudice</dc:title>
<dc:title>A Novel</dc:title>

　- Book Search custom elements reference

　● gbs:viewability

　　中身がどの程度みれるか

　　例

<gbs:viewability value="http://schemas.google.com/books/2008#view_all_pages"/>

　● gbs:embeddability

　　どの程度 embed できるか

　　例

<gbs:embeddability value="http://schemas.google.com/books/2008#embeddable"/>

　● gbs:review

　　レビュー

　　例

<gbs:review type="text" xml:lang="en">A great beach read!</gbs:review>