Friendly PSA: Yarn is super dangerous for cats! They will ingest it (because they love eating things they shouldn’t), and it will tangle in their stomach and intestines and cost you many dollars to remove said yarn. Please be super careful with this!
Libby all the way.
I use Libby every single day. It’s free and linked with your library card. Sometimes books have waits, depending on your library availability, but there are still millions available. When I worked as an Amazon driver, this got me through the long shifts.