In case I don't get around to writing up a series of modelling and terrain tutorials, it looks like there might be another option available.
Some talented Spanish designers have launched an Indiegogo project for a beautifully illustrated book about figure modelling and terrain building. If I can fit this into budget before the funding project closes, I might try to get this added to my Christmas stocking.
Modeling Stories In Miniature
At the time of writing, they've already reached a couple of stretch goals. It's certainly worth a look.