For this week, these are Of Poseidon by Anna Banks (though unfortunately available in the US and Canada only) and The Tempest by William Shakespeare which is available as an Australian freebie.
Terms and conditions:
The files are in MP3 format and for your personal use only. These audiobooks are available for download for one week only but once downloaded, you can (of course) listen to them anytime. You will also need to download OverDrive Media Console (a free software) to download the audiobooks.