The "Konetschno! Band 3. Russian as a 2nd Foreign Language. Grammatical Supplement" is a comprehensive textbook specifically designed for learners of the Russian language. It serves as a valuable addition to regular teaching materials and offers a structured approach to grammar. The supplement allows learners to learn, look up, and review grammatical rules. It also includes self-evaluation exercises that help learners check their progress and reinforce their knowledge. The clear and understandable language, along with the didactic presentation, makes it a useful tool for both classroom instruction and self-study. The compact size and lightweight nature of the booklet facilitate easy handling and use in class or on the go.