If you're aiming for N2 or N1 and you're tired of fluffy textbooks that hold your hand too much, the series is likely already on your radar. After working through the Grammar , Reading , and Listening books for N2 over four months, here’s my honest take.
4.5/5. Best for test prep, worst for fun. shin kanzen
Rating: ⭐⭐⭐⭐☆ (4.5/5)