For now in booklibrary you may order books in category only by "Title", "Author", "Rating", "Hints"
For add ordering by date - current ordering will need rebuild.
You may add these rebuild self (Book library Open Source product) - or order from us with help OrdaSoft support form.
Below small customization manual for Book Library :
Book library have two parts admin and frontend.
in admin you will see two files:
admin.booklibrary.html.php - responsible for show data
admin.booklibrary.php - responsible for prepare data
exactly for frontend
booklibrary.html.php - responsible for show data
booklibrary.php - responsible for prepare data
Also all fields what you leave empty - will not show at frontend
All connection between what user press in Browser - do wit help TASK variable.
also if you wish all Joomla class methods work. E.g when you create new Book
mosbooklibrary class. you need also edit file
and add to class definition all new fields what you added to database
If you give full details what exactly you wish, we will self create that for