The IDW Generation 1 storyline in updated chronological order, bringing you the entire span of this masterful reinvention of the classic characters and scenarios. Long ago, Lord of Light Primus created the 13 Primes to combat the all-annihilating threat of Unicron. But now those first named are gone... and Unicron is coming! It begins here - the biggest and (potentially) most terminal of all TRANSFORMERS epics. But first, get ready for the return of the legendary Onyx Prime, who is most definitely more than meets the eyes! Plus, the Dinobots are back and take your seats for the premiere of Starscream: the Movie. Features bonus background material created especially for the Definitive G1 Collection, including a run-down of the 13 Primes, and a new contextual introduction by series editorial consultant Simon Furman COLLECTING TRANSFORMERS: OPTIMUS PRIME #13-17 & OPTIMUS PRIME ANNUAL 2018