Books Mentioned in the Bible (but Lost)

Book of the Wars of the Lord (Numbers 21:14)
Book of Jasher (Joshua 10:13; 2 Samuel 1:18)
Book of the Acts of Solomon (1 Kings 11:41)
Book of the Chronicles of the Kings of Israel (1 Kings 14:19)
Book of the Chronicles of the Kings of Judah (1 Kings 15:7)
Book of Samuel the Seer (1 Chronicles 29:29)
Book of Nathan the Prophet (1 Chronicles 29:29; 2 Chronicles 9:29)
Book of Gad the Seer (1 Chronicles 29:29)
Prophecy of Ahijah the Shilonite (2 Chronicles 9:29)
Visions of Iddo the Seer (2 Chronicles 9:29; 2 Chronicles 12:15)
Book of Shemaiah the Prophet (2 Chronicles 12:15)
Book of Jehu the Son of Hanani (2 Chronicles 20:34)
Sayings of the Seers (2 Chronicles 33:19)
Epistle to the Laodiceans (Colossians 4:16)

Books from the Apocrypha/Deuterocanon

1 Esdras
2 Esdras
Tobit
Judith
Additions to Esther
Wisdom of Solomon
Ecclesiasticus (Sirach)
Baruch
Letter of Jeremiah
Prayer of Azariah and Song of the Three Holy Children (Daniel 3)
Susanna (Daniel 13)
Bel and the Dragon (Daniel 14)
1 Maccabees
2 Maccabees

Books from the Pseudepigrapha

Book of Enoch (1 Enoch)
2 Enoch (Secrets of Enoch)
3 Enoch (Hebrew Enoch)
Book of Jubilees
Life of Adam and Eve
Martyrdom of Isaiah
Ascension of Isaiah
Testaments of the Twelve Patriarchs
Psalms of Solomon
Odes of Solomon
Letter of Aristeas
4 Ezra
Prayer of Manasseh
2 Baruch (Syriac Apocalypse of Baruch)
3 Baruch (Greek Apocalypse of Baruch)
Book of Noah

Gnostic Texts (Nag Hammadi Library)

Gospel of Thomas
Gospel of Philip
Gospel of Mary Magdalene
Gospel of Truth
Gospel of Judas
Apocalypse of Peter
Apocalypse of Paul
Sophia of Jesus Christ
Acts of Peter
Acts of Paul and Thecla
The Didache (Teaching of the Twelve Apostles)

Other Lost or Disputed Texts

Book of Eldad and Modad
Acts of Andrew
Acts of John
Acts of Philip
Acts of Thomas
Epistle of Barnabas
Shepherd of Hermas
Epistle of Polycarp to the Philippians
Clementine Homilies
Clementine Recognitions
Gospel of the Hebrews
Gospel of the Ebionites
Gospel of the Nazarenes
Protoevangelium of James
Infancy Gospel of Thomas
Arabic Gospel of the Infancy
Acts of Pilate (Gospel of Nicodemus)
Epistle of Ignatius to the Smyrnaeans
Epistle of Ignatius to the Trallians
Epistle of Ignatius to the Ephesians