Normally they are really expensive so this is a great deal.
You have to be a member of Audible already to get the free audio book.
Also, one of the stipulations - they want us to give away the audio book only to fans who will write a review of the book.
I have some codes for each of the books below.
Here are the audio books you can request. Click the link to see them on Audible.
Deadly Fun https://www.audible.com/pd/Deadly-Fun-Audiobook/B00FSOR056?asin=B00FSOR056
The Necromancer https://www.audible.com/pd/The-Necromancer-Audiobook/B00DOIL91O?asin=B00DOIL91O
The living Image https://www.audible.com/pd/The-Living-Image-Audiobook/B00G4A8U6G?asin=B00G4A8U6G
Deadly Memories https://www.audible.com/pd/Deadly-Memories-Audiobook/B00DP06B82?asin=B00DP06B82
Midnight Reflections https://www.audible.com/pd/Midnight-Reflections-Audiobook/B00HK218MU?asin=B00HK218MU