Lots of amazing deals right now through Saturday on https://ChristianAudio.com
Some deal highlights:
R.C. Sproul Foundations (https://christianaudio.com/founda...-download)
Regular price $122, Audible Price $62 with membership, $111 without membership. Deal price $7.49
Calvin's Institutes (https://christianaudio.com/instit...-download)
Regular Price $29, Audible Price $24 with membership, $42 without. Deal price $7.49
Many more incredible deals.
They also allow you to download unprotected MP3 zip archive, which is perfect for me because I put them on a memory card which my car uses. They can also be imported into iBooks or the audible app.