• The easiest way to get free Harry Potter books is to borrow the physical books from a friend.
• If you have a library card, you can also lend the Harry Potter book series for free from your local library in three formats: physical books, digital books, and audiobooks.
• Kindle Unlimited is an Amazon subscription service by which members can read and/or listen to unlimited digital books.
You can listen to Harry Potter audiobooks for free via the library and Audible.
The Harry Potter book series is available with a free trial of Audible Premium Plus.