Self-study unit (used by all instructors):Addison, Tony and Chris Perkins. Practice With Prepositions. Practice and Reference for German-speaking Learners of English. Southampton: Englang Books. (available at ThULB but not from bookshops)
Please note: For the classes that take place in person, the German "3-G principle" (vaccinated, recovered, tested) will apply, according to the latest regulations.