Like any book, it depends on personal taste... i think some books of it pretty interesting... and if you want some nice inspiration for an end for your world, read the Revelations...

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"Everything we do, everything we are, rests on our personal power. If we have enough of it, one word uttered to us might be sufficient to change the course of our lives. But if we don't have enough personal power, the most magnificent piece of wisdom can be revealed to us and that revelation won't make a damn bit of difference." Don Juan Matus - Tales of Power