This rat-chewed volume contains a story about, or possibly even by, a woman known as the "Rat Queen." I'm not sure I know the whole story, and unless I find the rest of the pages, I might never know.
I'll find more pages of this book in Vermin's Snye.
Quest Rewards above are only the guaranteed XP, faction, and coin rewarded for this quest. Status points and rewards limited by class, race, alignment, etc. are unavailable.