Back up everything important: The basic book covers all areas of learning in German lessons, is structured according to subject matter, and allows easy orientation through a clear structure. It refers to suitable exercise pages in the work folder and contains literary double pages with differentiated texts, numerous reading texts from current children's literature, a collection of texts on the seasons, an enclosed grammar board, and an enclosed learning development booklet.

The series edition includes a learning development booklet as an appendix to the basic book, 16 additional literary pages in the basic book with differentiated texts, and further assistance in the area of criteria-led writing. There are references from the work folder back to the basic book, providing ideal didactic and organizational support.