What are some alternatives?
When comparing BookAuthority and Goodreads, you can also consider the following products
Bookicious - Find the best new book to read with books collections for makers, founders and entrepreneurs.
LibraryThing - A home for your books.
MyAnimeList - Start cataloging anime you've watched or manga you've read.
Booker.io - Booker is a networked book discovery platform to help people find must read book through people...
Highly Reco - Book recommendations by awesome people
Kitsu - Kitsu is the easiest way to track, share and discover new anime and manga.