You can purchase it HERE
Filthy assistant, William Baldwin, went above and beyond and produced a bunch of layouts for various buildings within Wightchester. However, there was not room to include them in the final product. You can find them here, along with (for your convenience) the two introductory adventures, Nox Comitae and Prima Noctae, as well as a large-scale image of the layout of the city.
I was going to charge PWYW for this, but the Shopify store doesn’t support that option, so – in need of money – there is a small charge, even though you can get the adventures and the map from this blog for free if you don’t want the layouts.