--²-µÑÑ! Building on Your Foundations in Russian is an innovative intermediate course that seamlessly blends rigorous grammar instruction with engaging and functional communicative class activities. The course revisits topics typically covered in introductory courses, allowing learners to consolidate and expand their foundational knowledge. A blend of cultural insights, reading, listening, and viewing exercises enrich students' cultural understanding. By presenting a range of examples from a variety of contexts, topics, and genres, students gain a broad and deep understanding of the nuances of Russian. Designed for those progressing beyond the basics, --²-µÑÑ! leverages a core vocabulary of 1,500 words and strategically expands it by an additional 2,500 essential words, employing a color-coded system for ease of learning. By the end of the course, students will understand up to 70-80% of words in common usage. The --²-µÑÑ! Building on Your Foundations in Russian  course consists of two volumes, each with nine chapters, containing everything students and instructors need for a dynamic exploration of Russian at the intermediate level. A companion website with a downloadable workbook, glossary, vocabulary files, and audio and video resources brings the course to life. The blended and modular format makes it easy for instructors to adapt the material to their learning goals and timetabling constraints.