If you are an author, you are at least somewhat interested in language (at least you better be). Now, if you are writing in a language other than English, I’m probably not going to be able to help, but if you are, check out this collection of maps.
Of interest to me as one of the poor folks that only speak (and write and read) one language were the maps that show how widely read English is in the world. Good audience for us that publish an English language book 🙂
Another vocabulary set… these are going to be some new ones for you.
There’s a Word for That
"Entirely eloquent, and yet utterly ineffable."
A great collection. A vocabulary is never complete…
I think body language can be tough to include in a written work, especially when you want it to seem natural and not distracting. It should be something that adds to the story, not pulls the reader out of the "zone".
The Writers Write folks have some handy tips and suggestions.