This view of the diary is generated from the open source Internet Archive BookReader
The Internet Archive BookReader is used to view books from the Internet Archive online and can also be used to view other books.
Developer documentation: http://openlibrary.org/dev/docs/bookreader
Hosted source code: http://github.com/openlibrary/bookreader
The source code license is AGPL v3, as described in the LICENSE file.