lostin - Glad you liked Casual Vacancy. The metre is loose, determined by the eleven-syllable lines and the ear. The notion's familiar in the poetry of Romance languages (French, Spanish, Catalan, Italian), where sonnets and indeed Dante's Divine Comedy are written in quasi-iambic eleven-syllable lines. Their rhythms aren't as stressed as English, so the effect is different, but one I enjoy playing with.
Matt - If you like non-crime novels, you could always try reading the book (Rowling's first non-Potter work). Thanks for your feedback.
proof - Well the rhyme is klustez / justes (z/s) but I find close enough is usually near enough when I'm rhyming.
Kind of y'all to drop by!
Regards / Dunc