{
"fb2": "",
"mobi": "",
+ "title": "Child",
"author": "",
"cover": "",
"href": "https://example.com/api/books/child/",
{
"fb2": "https://example.com/media/fb2/grandchild.fb2",
"mobi": "",
+ "title": "Grandchild",
"author": "",
"cover": "",
"href": "https://example.com/api/books/grandchild/",
{
"fb2": "",
"mobi": "https://example.com/media/mobi/parent.mobi",
+ "title": "Parent",
"author": "John Doe",
"cover": "cover/parent.jpg",
"href": "https://example.com/api/books/parent/",