Why were the gnostic scriptures left out of the bible?
I could answer, but this'll do.
http://www.christianitytoday.com/ct/2004/june/7.26.html
Wasn't Jesus in the East?
Geographically? The Middle East. But conceptually, the pattern of thought known as monotheism is nowadays more ordinarily associated with the West, and the East has become associated with various forms of polytheistic or pantheistic mysticism.
Interestingly, this positions Islam as a Western artifact, not an Eastern one. But you can really see the difference if you compare, say, Hinduism/Buddhism and Islam or Judaism -- they're opposite options.
Gnosticism has more in common with the Eastern tradition than with the West.
There are hundreds of books out there by different authors offering bible interpretation but no one likes those because it conflicts with what the church taught them. The church cannot even offer accurate explanation to bible scripture!
Incorrect, but the article above should help you make a start on finding out why you're incorrect.
We're going about it from the wrong angle. The bible was not meant to be discussed logically. In order to speak in terms of the spirit symbolism, irrationality ('fantastic'), and conflicting statements must be used. It's seen in buddhist scripture all the time. Take a look at some Buddhist tantra (Vajrayana): nothing but fantastic claims and conflicting statements. Completely illogical...what scripture is pointing to is beyond the intellect. We try to use logic where there is none and we can't see the forest for the trees!
You're mixing the two traditions, and doing so will merely confuse you, because they are premised on contradictory directions.
Although they contain some minor mystical sects, Jews and Christians are largely
rationalists, and as such are resolved on the idea that logic and rationality are part of what it means to "meditate" on the Word of God. They're committed to ideas like propositional truth, Authorial intent as determinative, and exegesis as methodology.
In contrast, the purpose of the Buddhist scriptures is the emptying of the mind. The goal is to learn how NOT to meditate on any particular thing, but to empty the mind of
all referents, and so to move beyond the alleged illusion of reality. There is no Authorial intent, no Author in fact, no true propositions concerning reality, and cyphers or mystical narratives instead.