【Learn the Basics of Sign Language】 This book is rich in basic content for learning sign language, and is suitable for a wide range of learners, from beginners to intermediate users. 【Practical Content】 Actual sign language expressions and phrases that can be used in everyday conversation are introduced, allowing for practical learning. 【Visual Learning】 Many illustrations and diagrams are used, making it easy to understand visually. - Title: Our Sign Language - Volume: Volume 1 - Volume: Volume 2 - Language: Japanese - Content: Books on learning sign language - Thickness: Approximately 3.5cm (each volume) - Publisher: Gakushu Kenkyusha Thank you for viewing. Almost unused, but the obi has some wrinkles and small tears.