Available books in German: Sprachlügen: Unworte und Neusprech von »Atomruine« bis »zeitnah« Frankfurt/Main: Fischer 2012 (together with Kai Biermann).
An introduction to Italian linguistics: Italienische Sprachwissenschaft. Tübingen: Narr 2013 (2nd ed., = Bachelor-Wissen ).
My German dissertation on language contact and language change in the Basque country is still available from the publishing house.
Social media projects: Genusscast, 1337kultur.de, Neusprechblog
I’m also active in the German Esperanto-Association and have founded a foundation for the advancement of science, research, and education.