Retrieves a list of books

The number of returned results per page (between 1 and 100).

The page number of the returned results.

Sort books by the given field. If prefixed with "-" sort is descending.

Filter books by the given field. Use ransack matchers to filter.
See [Ransack Search Matchers]
(https://activerecord-hackery.github.io/ransack/getting-started/search-matches/).
Example: { "filter[title_cont]": "Azkaban" }