Glad to hear the vet check seems pretty good, aside from the worms.
Best single source for GTP info is Greg Maxwell's More Complete Chondro, as far as I know. Available on Amazon. It is expensive but good. (I have a copy.)
By the way, size and the healed scar in the second picture in this thread made me speculate that the snake is wild caught. That is not a criticism, as mine were wild caught adults. Whatever the origin, he seems well adjusted. Good luck with him.