My Watch Agent at Gencon has obtained me a copy of the book and sent me some snippets from it.
Encrypted Spoilers Follow
Use ROT13 to decode.
Gurer'f ab erfbyhgvba gb gur dhrfgvba bs Jub'f vyPyna.
Gur Snypbaf naq gur Jbyirf ner ng Green'f qbbefgrc, fbzrubj cnfg gur jnyy (gur grpu frpgvba vf whfg fcrphyngvba, ab nafjref ba jung ERNYYL pnhfrf gur Oynpxbhg naq Sbegerff) naq fbzrubj, qrfcvgr univat yrnearq ubj gb olcnff gur sbegerff jnyy, gur sbegerff jnyy vf fgbccvat gurz ng gur ynfg frpbaq.
Jryy abg fgbccvat fbzrbar ragveryl, n syrrg bs irffryf anzrq bayl nf Pyna, abg vqragvsvrq nf n cnegvphyne pyna, unf neevirq vafvqr GUNG jnyy gbb.