Codex Sinaiticus - See The Manuscript | Genesis | Codex Sinaiticus is one of the most important books in the world. Handwritten well over 1600 years ago, the manuscript contains the Christian Bible in Greek, including the oldest complete copy of the New Testament. The Codex Sinaiticus Project is an international collaboration to reunite the entire manuscript in digital form and make it accessible to a global audience for the first time. in Religionwith 1600bookscodexhandwrittenmanuscriptsinaiticusworldyearsby 2 users