Unlike many B1 books that use sanitized, slow dialogues, Netzwerk uses real(ish) texts. There are blog comments, SMS threads, train announcements, and even small classified ads. This forces you to deal with colloquialisms and abbreviations—exactly what you hear on the street.
Many learners find the grammar in to be the most challenging part of the book. While A1 and A2 give you the present and perfect tenses, B1 forces you to master the timeline and sentence structure. netzwerk b1
: Use the Klett Augmented app to slow down the audio to 75% speed. Also, read the transcript while listening. After 3-4 chapters, your ear will catch up. Unlike many B1 books that use sanitized, slow