I read the sneak peek, it feels like the first page(s) of the book so no real spoilers in it.
Looks quite unedited though, the following has no spoilers but is taken from the text directly:
Wwith her behind him
towards two weeksa fortnight
Vimes toreHe opened the package
If I bought a 920 pound book and it contained these kinds of errors all through it, I'd demand my money back