There are many reasons why a book might be unavailable.
Sometimes a book goes temporarily out of print - and sometimes no audio version has ever been recorded. Audible wants to give you the most complete selection we can and we'll keep adding series and filling in gaps as quickly as possible.
Arcady Renko never disappoints and this book is one of the best!! Set in post-meltdown Chernoble, it is stark, disturbing and oh so beautiful.