An apocryphal New Testament book, specifically one of the apocryphal Acts.
It pictured Jesus talking to John on the Mount of Olives during the crucifixion, explaining that it was only a spectacle.
(The Origin of the Bible: Newly Updated by F. F. Bruce, J. I. Packer, Philip W. Comfort, and Carl F. H. Henry, 2020. Old Testament and New Testament Apocrypha by R. K. Harrison, Page 91.)