{"book":{"id":4,"title":"Sample Book for Grade 9 - Subject 7","slug":"sample-book-for-grade-9-subject-7","author_name":"John Doe","author_bio":"Experienced teacher and curriculum writer.","country":"Kenya","grade_id":9,"subject_id":2,"description":"This is a sample book for grade 9, subject 7.","cover_image":null,"published_year":2025,"created_at":"2026-04-02T06:40:13.000000Z","updated_at":"2026-04-10T04:43:13.000000Z","grade":{"id":9,"name":"Form 1","slug":"form-1","created_at":"2026-04-02T06:40:13.000000Z","updated_at":"2026-04-02T06:40:13.000000Z"},"subject":{"id":2,"name":"English","slug":"english","icon":null,"created_at":"2026-04-02T06:40:13.000000Z","updated_at":"2026-04-02T06:40:13.000000Z"},"chapter_summaries":[{"id":12,"book_id":"4","chapter_number":3,"chapter_title":"Chapter 3 Title","slug":"chapter-3-chapter-3-title","summary":"This is the summary for chapter 3 of book 4.","created_at":"2026-04-02T06:40:13.000000Z","updated_at":"2026-04-02T06:40:13.000000Z"}],"approved_comments":[{"id":7,"book_id":"4","chapter_number":null,"user_id":"6","comment":"This is comment 1 on book 4.","status":"approved","created_at":"2026-04-02T06:40:13.000000Z","updated_at":"2026-04-02T06:40:13.000000Z","user":{"id":6,"name":"User 6","email":"user6@example.com","email_verified_at":"2026-04-10T08:56:41.000000Z","created_at":"2026-04-10T08:56:41.000000Z","updated_at":"2026-04-10T08:56:41.000000Z"}},{"id":8,"book_id":"4","chapter_number":null,"user_id":"6","comment":"This is comment 2 on book 4.","status":"approved","created_at":"2026-04-02T06:40:13.000000Z","updated_at":"2026-04-02T06:40:13.000000Z","user":{"id":6,"name":"User 6","email":"user6@example.com","email_verified_at":"2026-04-10T08:56:41.000000Z","created_at":"2026-04-10T08:56:41.000000Z","updated_at":"2026-04-10T08:56:41.000000Z"}}]}}