Having so many books (many of them being eBooks), it would be nice to have a software application to manage all of them. eLibPro is such a utility to manage your personal book collection (print books AND ebooks).

eLibPro Features
Use tree structure to manage book categories. It has a familiar Windows Explorer-like user interface
Unlimited "Related Links" can be added for each book. The "Links" can be URLs, eBook files on local hard disk, or even folders
Use XML/XSL to display book details. Its content template and display style are completely configurable by the user
Most of the book's information can be retrieved from the web. It can query online (Amazon.com) by ISBN, or by a combination of book title, author and/or publisher
Multiple selection (using Ctrl, Shift or Mouse) is supported in the book list window, and the book detail window can update on the fly
Sort on any column in the book list window
WYSIWYG editor for books' "Description" and "Notes" fields
Drag & Drop support
Search in the book collection
"Favorites" and "Reading List" support
Multiple Language Interface (MUI) support
Native Unicode support
Barcode scanners are supported.