Whether you're looking for a new book or just want to keep your brain sharp before the kids go back to school, you can find free audiobooks online. With sites like https://horbuchkostenlos.de/, you can find a wide range of classic and contemporary audiobooks read by volunteers. You can listen to them on your phone or computer.
They have over 13,000 public domain audio books available in multiple languages. You can search for audiobooks by title or author, or filter the results to show only free books. You can even set a sleep timer to play audio books at bedtime. Librivox also supports Chromecast so you can stream audiobooks to your TV.