info: name: Download Book (EPUB) type: http seq: 3 http: method: GET url: '{{opds_base_url}}/devices/{{device_id}}/download/{{book_id}}' docs: |- ## Download Book (EPUB) Downloads a book in standard EPUB format for reading on e-reader devices. **Method:** GET **Endpoint:** /devices/{device_id}/download/{book_id} **Authentication:** Required (Device token or Bearer token) **Path Parameters:** - `device_id` (string): Device ID - `book_id` (string): Book ID **Query Parameters:** - `format` (string, optional): File format (epub, default) **Response:** - Binary EPUB file content **Status Codes:** - 200: Success (file download) - 401: Unauthorized - 403: Forbidden (device not authorized for this book) - 404: Book not found