You are downloading the Audible - Audiobooks AppX file v126.96.36.199 for Windows Phone. Audible - Audiobooks is a free and useful Books & Reference app: Not enough time for all the books you want to enjoy? Download the app by Audible, an Amazon company, and access 200,000+ titles including best ... You can now download the offline AppX file to install & try it.
Download Locations for Audible - Audiobooks 188.8.131.52 AppX file
To try to install it manually from an SD card, you should choose one of the server location above to get the offline Audible - Audiobooks AppX file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.