The BEST on eBay! The Mystery Suspense Crime Audio Book Collection Lot #4 on 16 discs in the MP3 Format. 16 Audio Books in 2 plastic cases, with free shipping. These are NOT regular CDs and will NOT play on a regular CD/DVD player. It must be MP3 format compatible. Check your manual or documentation before purchasing. All of our discs are checked and verified to work perfectly before shipping.