This grammar book is a great addition to your language courses. It covers a range of topics and includes Indonesian translations to help you understand the Japanese language better. The book is published by 3A Corporation and is ideal for anyone looking to improve their language skills. With a focus on grammar, this book is perfect for those who want to dive deeper into the Japanese language. It is suitable for beginners learners and provides explanations of various grammar rules. The book is available in Japanese and Indonesian languages and is a must-have for anyone looking to improve their language skills.