Unabridged audios (Simon & Schuster Audioworks):
"Star Trek" by Alan Dean Foster, read by Zachary Quinto, 2009, approx. 480 min.
(of the trade paperback novelization.)
"Sarek" by AC Crispin, read by Nick Sullivan, 2012 (Re-release of 2001 Chivers/BBC version, now by S & S Audio via Audible Frontiers download), approx. 879 min.
(of the hardcover.)
"Star Trek Into Darkness" by Alan Dean Foster, read by Alice Eve, 2013, approx. 535 min.
(of the trade paperback novelization.)
"Legacies, Book 1: Captain to Captain" by Greg Cox, read by Robert Petkoff, 2016, approx. 579 min.
(Audio download of the Mass Market Paperback.)
"Legacies, Book 2: Best Defense" by David Mack, read by Robert Petkoff, 2016, approx. xxx min.
(Audio download of the MMPB.)
"Legacies, Book 3: Purgatory's Key" by Dayton Ward & Kevin Dilmore, read by Robert Petkoff, 2016, approx. xxx min.
(Audio download of the MMPB.)
There are also some (by comparison, very expensive)
unabridged titles, but not from Simon & Schuster Audioworks:
"The Physics of Star Trek" by Lawrence M. Krauss, read by Larry McKeever, Books on Tape, 1996, approx 390 min. (of the non-fiction hardcover.)
"Sarek" by AC Crispin, read by Nick Sullivan, Chivers Sound Library/BBC Audiobooks America, 2001, approx. 879 min. (of the hardcover.)
"Star Trek Nemesis" by J.M. Dillard, read by Grover Gardner, Chivers Sound Library/BBC Audiobooks America, 2002, 347 min. (of the hardcover novelization.)
"Vulcan's Soul, Book 1: Exodus" by Josepha Sherman and Susan Shwartz, read by Richard Poe, Recorded Books, 2004, 510 min. (of the hardcover.)
"Vulcan's Soul, Book 2: Exiles" by Josepha Sherman and Susan Shwartz, read by Richard Poe, Recorded Books, 2006, 630 min. (of the hardcover.)
"Vulcan's Soul, Book 3: Epiphany" by Josepha Sherman and Susan Shwartz, read by Richard Poe, Recorded Books, 2007, 694 min. (of the hardcover.)
http://therinofandor.blogspot.com.au/2007/05/i-hear-star-trek.html