If you can comfortably pass the or have completed a standard beginner series, this is your next step. It acts as a warm-up for more intensive N3 series like Shin Kanzen Master or Sou Matome . Where to find it: Chuukyuu e Ikou | PDF - Scribd
Once you acquire a legal copy of the book, follow these strategies to get the most out of the 55 grammar points: chuukyuu e ikou 55 pdf