Ginchen

Easily configurable book display with sidebar widget and shortcode. Book information is read from Amazon Web Services (AWS) and gets cached in database.
Key features:
<ul>
<li>Search for your current read book by title and / or author (new)</li>
<li>Search for your current read book by ISBN</li>
<li>Easy setup of fonts and colors with live preview (new)</li>
<li>Ready for <a href="http://www.code-styling.de/english/development/wordpress-plugin-codestyling-localization-en" rel="nofollow ugc">Codestyling Localization</a> plugin</li>
</ul>
Requirements
<ul>
<li>PHP version >= 5.1.2</li>
<li>free <a href="https://aws-portal.amazon.com/gp/aws/developer/registration/index.html" rel="nofollow ugc">AWS Account</a></li>
</ul>

I am reading (continued)

This is a re-upload of the (again) abandoned plugin "I am reading". Book display with search by ISBN, title and author for all Amazon market …

silversteelwolf

bookTuner pulls book information from one of your shelves on Goodreads.com. Title, author, jacket art, and a review snippet can all be displayed on your site with the plugin’s configurable settings and simple tags. The plugin is an adaptation of fmTuner by Collin Allen.
<h4>Features</h4>
<ul>
<li>Displays books from currently-reading, to-read, read, or a custom shelf</li>
<li>Limit how many books are shown</li>
<li>Configure how often the book list is updated</li>
<li>Customize book appearence with HTML and tags</li>
<li>Set length of review preview</li>
<li>Sort list by a number of criteria including author, title, rating, and date read</li>
</ul>
<h4>Requirements</h4>
<ul>
<li>A Goodreads.com account with books added to a shelf</li>
<li>WordPress 2.7 or newer</li>
<li>PHP 5 or newer</li>
</ul>

bookTuner

bookTuner displays books from Goodreads.com in a customizable format.

I am reading (continued) vs bookTuner