Why do some threads just disappear?

Yeah, well I read the first installment of this story this morning, when the link for it was on the forum, enjoyed it, tagged it, and then went back to read some of his/her other work and found it gone.

Not to be impertinent, but can I ask why? It wasn't obscene or derogatory toward anyone in any way and it was actually very well written and interesting.
I've seen people posting links to their blogs on this forum many, many times and for years. In fact, I enjoy those links - many times they've led me to sites I'd never have found on my own.
Is there a particular reason that this one was not deemed suitable to be treated with the same equal treatment and acceptance that others have been?

This feels a little like censorship. Is that what it is, or is there something I missed that made this particular blog wrong or unsuitable to be on this forum which would make the act of removing it something other than censorship?

URL: http://able2know.org/post/ask/