[index-author] - Reviews by Author

Displays an alphabetical list of authors, with the books by each author listed underneath.

Optional Attributes:

• reviewer – The login name of the reviewer to fetch posts from.
• orderby – How to order the list of books under each author. Accepted values are: title (default), author (WordPress post author), ID (for post ID), date (post publication date), rand (random), comment_count. Or any other values listed in the WP Query docs.
• order – Either ASC or DESC. Defaults to ASC.
• showempty – Whether or not to hide the letters that don't have any results/authors.

Example:

[index-author orderby="date" order="DESC"]