Part of the problem, the author explains, is that since paper and ink were expensive, the disciples had to be really concise. That might lead one to wonder why god did not invest a little more in terms of resources to support this low-budget project. I mean, he got his son to turn water into wine at someone's wedding. And nobody even remembers whose wedding it was. Why couldn't He supply adequate ink and paper to make the stories more accurate and convincing?
That was a problem for the OT writers as well. Here's how it all started, according to Isaac Asimov: http://sumware.com/creation.html