Deepsix, Chindi, Cauldron, Omega and Odyssey are currently available on Audible.com.
http://www.audible.com/adbl/site/enSearch/searchResults.jsp? BV_UseBVCookie=Yes&N=0&Ntx=mode%2Bmatchallpartial&D=jack+mcdevitt&Dx=mode%2Bmatchallpartial&Ntk=S_Keywords&Ntt=jack+mcdevitt&x=16&y=8
About Jack...
.
photo by Maureen McDevitt 1952 
..is a former English teacher, naval officer, Philadelphia taxi driver, customs officer, and motivational trainer.
With the nominations of Infinity Beach, Ancient Shores,
“Time Travelers Never Die,"Moonfall,
“Good Intentions” (cowritten with Stanley Schmidt),
“Nothing Ever Happens in Rock City,” Chindi, Omega, Polaris,
his work has been on the final Nebula ballot
twelve of the last thirteen years.
His first novel, The Hercules Text,
was published in the celebrated Ace Specials series,
In 1991, he won the first $10,000 UPC International Prize
for his novella “Ships in the Night.”
The Engines of God was a finalist for the Arthur C. Clarke Award,
and his novella “Time Travelers Never Die”
was nominated for both the Hugo and the Nebula.
Omega received the John W. Campbell Memorial Award
for best SF novel, 2003.
McDevitt lives in Georgia with his wife Maureen,
where he plays chess, reads mysteries,
and eats lunch regularly with his cronies.
Time Travelers Never Die
A new novel by Jack McDevitt is available now at your favorite bookstore.