AudioFile's announced 26 of the 28 SYNC Young Adult Lit For Your Earbuds free audiobook download titles for the 2015 season, which starts May 7th and ends August 13th. Here's the line-up, so far.
What is SYNC?
SYNC is a program that gives away two complete audiobook downloads — a current Young Adult title paired thematically with a Classic or Required Summer Reading title — each week to listeners ages 13+ while SYNC is in session each summer. - Source