There are several free audiobooks available on Spotify, including classics from the public domain. Here are some ways to find them:

• LearnOutLoud: This playlist on Spotify features some of the best free audiobooks available on the platform.

• Search: You can use the search function on Spotify to find audiobooks. Select the "Audiobooks" tile to browse titles in curated categories, or enter a specific title in the search bar and filter the results to show only audiobooks.

• Reddit: The audiobooks subreddit has a community of audiobibliophiles sharing and looking for their next great listen. You can find recommendations for free audiobooks on Spotify here.

• Goodreads: This website has a list of 65 free audiobooks in English available on Spotify, including "Pride and Prejudice" and "The Hunger Games".

Its worth noting that while some audiobooks on Spotify are free, most premium books range from $5 to $35 per title.