Titans ReturnGraphic Novel - 2017
Once he ruled Cybertron with a brutal (and literal) iron fist. Left for dead four million years ago, Sentinel Prime is back. But in a world where Starscream rules Cybertron, Optimus Prime has invaded Earth, and Megatron is an Autobot, Sentinel doesn't like what he sees!
Publisher: San Diego, CA : IDW Publishing, a division of Idea and Design Works, LLC, 
Branch Call Number: TEEN TRANSFO
Characteristics: 104 pages : chiefly illustrations (chiefly color) ; 26 cm
Alternative Title: Titans return