The Apocrypha are books that were left out of the Bible.

Old Testament:

• Enoch
• Jubilees
• Bel and the Dragon

New Testament:

• The Gospels of Judas, Mary and Thomas
• Acts of Paul and Thecla
• The Shepherd of Hermas

This is not an exhaustive list, there are many books in the Apocrypha. This video samples some of the most prominent.

Suggested Reading:

• Biblical Apocrypha – Wiki https://en.wikipedia.org/wiki/Biblica…
  
• Biblical Canon – Wiki https://en.wikipedia.org/wiki/Biblica…
  
• Development of the Hebrew Bible – Wiki https://en.wikipedia.org/wiki/Develop…
  
• Book of Enoch – Wiki https://en.wikipedia.org/wiki/Book_of…
  
• Nag Hammadi Library – Wiki https://en.wikipedia.org/wiki/Nag_Ham…