Published by Skapago, The Mystery of Nils is a uniquely structured Norwegian course designed for beginners. Unlike traditional language books, it follows an immersive story that grows progressively complex, helping learners absorb grammar and vocabulary naturally. With integrated grammar explanations, exercises, audio recordings, and cultural insights, it offers a well-rounded approach to mastering Norwegian. Suitable for self-learners and classroom use alike, it’s praised for making language learning enjoyable. As of 2025, it remains a top-rated resource for anyone serious about fluency in Norwegian.