there are probable hundreds of books left out of the Bible...
The Apocrypha.
The Maccabees.
The Nag Hammadi library*
The Forgotten Books of Eden
'" " of the bible
The Desert Fathers*
The Shepherds of Hermes*
The are many more those are what i can remember
The ones i have asterisk means i have read and recommended...Nag Hammadi is far out.