Google Book Search

https://services.google.com/inquiry/books_code?so=option2&hl=en 中得到了它的代码，可以加到自己的网页中   <!-- Google Book Search -->
<form method="get" action=http://books.google.com/books>
<table bgcolor="#FFFFFF">
  <tr>
    <td align="center"><a href="http://books.google.com/> <img src=http://books.google.com/googlebooks/books_box.gif alt="Google Book Search" width="108" height="40" border="0" align="absmiddle" /></a><br />
    <input type="hidden" name="hl" value="en">
    <input type="hidden" name="sourceid" value="books-referral-partner">
    <input type="text" name="q" size="15" maxlength="255" value="" /><br />
    <input type="submit" name="btnG" value="Search" />
    </td>
  </tr>
</table>
</form>
<!-- Google Book Search -->