davidfor: Ok, so I fixed the issue where the ISBN doesn't get retrieved when Goodreads doesn't have an "Original Title" listed on line one of the book details. Also, now if the Goodreads id points to a kindle edition it retrieves the ASIN. Here is the code. For the worker:
https://hastebin.com/kiyukuzuxu.rb
And the config that adds the option to turn it on or off:
https://hastebin.com/kozabovoxu.rb