No specific info about version 2.4. Please visit the main page of Patch - FlipBuilder Flip PDF Pro on Software Informer.
A flipbook maker with a multimedia editor.
It is designed specifically for reading eBooks in the FBR format.
It is an application which allows you to convert CHM to PDF files.
It is a document viewer that replaces the standard Adobe PDF Reader.
Flip Builder allows you to convert PDF pages into flipping eBooks pages.
A stunning utility to convert PDF files into user friendly iPad books.