The educational series Sicher! is aimed at students aged 15 and above and covers levels B1, B2, and C1 in 3 volumes. The topics of the series revolve around daily life, work, studies, and professional training. Each chapter has a clear structure and consists of the following parts: reading comprehension, listening comprehension, written expression, oral expression, vocabulary, grammar, as well as an audiovisual section. A variety of review and consolidation exercises create the ideal foundation for teaching at levels B1, B2, and C1. The educational series is complemented by rich audiovisual material.