More texts were excluded from the New Testament than the 27 included – over 100. These include forgeries, but also revered writings that were written after the apostles’ time.
See question #28 (“Were There Other Orthodox Books That Nearly Made It into the Canon?”) in Quarles and Kellum, …Text and Canon…, p 239-245:
See “VII – Books of Temporary and Local Canonicity: Apocryphal Literature” in Metzger, Canon of the New Testament, p 165-188.
The Duty of a Man 