Effective Meetings
Comfort, Jeremy

Lernhilfe Englisch 1
Wimmer, Reinhart

Student's Guide To Better Reading
Bludau, Michael

English für Fortgeschrittene
Telekolleg II

Guided Course
Jupp/Milne

Focus on Modern Business 2 Resource

The New Cambridge English Course 2
Swan, Michael/Walter, Catherine

English Grammar Exercises
Hoffmann/Schmidt

Advanced Grammar in Use
Hewings, Martin

False Friends
Breitkreuz