TOPFIT B1 is a comprehensive practice program for students who want to prepare for the Zertifikat B1 exam (Goethe-Institut and OSD). It can be used alongside any teaching series for teenagers or adults.

The book contains 12 chapters (24 thematic units) with model exercises for all four parts of the exam, as well as additional preparation exercises. The vocabulary, grammar, useful expressions, and language acts exercises review all the material of level B1, while simultaneously preparing for the exam exercises.