If you want to listen the audio of TUB, it may be handy if you can jump directly to the point, without scrolling and searching (e.g. in study groups etc.). This feature is available in website:
https://www.urantia.fi/ua_eng/tub_e.php?pg=ubread
Brief user guide is here: https://www.urantia.fi/_side_pg/audiohelp_en.htm
The feature has been there for some years, and currently it supports English, Estonian and Finnish books in its entirety, and French Papers 0-15.