Apps with 'Author search' feature

Z-Library is one of the largest online libraries in the world that contains over 4,960,000 books and 77,100,000 articles. We aim to make literature accessible to everyone.

Readarr is an ebook and audiobook collection manager for Usenet and BitTorrent users. It can monitor multiple RSS feeds for new books from your favorite authors and will grab, sort, and rename them. Note that only one type of a given book is supported.