* Book Category - den (privately owned / borrowed book / books lent) - Wish List * Enhanced Book Search - Domestic Books - International Book (application) - E-BOOK * View a variety of support - a list type - 5 card-type column * Book Status - unread - Reading - Read - Non-written (Reference / Major publications, etc.) * tag - You can add multiple tags to books - Personal genre classification / sorting shelves, etc. * How to add books - barcode - Search (Aladdin API use) - manually register