Modern Languages

Dictionary of Languages by Andrew Dalby From over five thousand languages currently spoken, 400 languages and language groups (the major languages of the 21st century) have been selected for entry. Their history, their geography and the way they interact, and where possible inclusion of the numerals from 1 to ten are provided for each language.

Encyclopedia of Language and Linguistics by R. E. Asher (Editor); J. M. Simpson (Editor)

More Than Nature Needs: Language, Mind, and Evolution by Derek Bickerton