~Main Categories~

Ｂ-1 Comparison (81 books)  To compare different culture.

B-2 Tradition (138 books)  To continue the original culture.

B-3 Generation (171 books)  To connect different generations.

B-D1. At Home (185 books)

B-D2. At School (108 books)

B-D3. Communication (99 books)

B-D4. Others (240 books) ~self-development, community, global issues, humanitarian aid, environment, peace, etc.