No specific info about version 4.8. Please visit the main page of Themes for iBooks Author on Mac Informer.
This application lets you convert PDFs to EPUB format.
Are you looking for an easy way to create ePub books for your iPad?
Create interactive flipbooks and share them in various ways.
3herosoft iPhone iBooks to Computer Transfer is an iPhone backup tool.
It allows you to discover several examples of open source publishing chains.