The IDW Generation 1 storyline in updated chronological order, bringing you the entire span of this masterful reinvention of the classic characters and scenarios. The fragile peace is blown apart by an escalating series of catastrophic events that culminate in the shocking return of Megatron and the beginning of the Combiner Wars, a truly giant-sized conflict destined to rock the status quo and forever change the landscape of Cybertron. And Orion Pax (formerly Optimus Prime) continues his pursuit of 'mad scientist' Jhiaxus, uncovering dark, dark secrets along the way that will usher in a even greater threat! Plus, bonus background features created especially for The Definitive G1 Collection, including a new contextual introduction by series editorial consultant Simon Furman. COLLECTING TRANSFORMERS: ROBOTS IN DISGUISE #8-14 & ROBOTS IN DISGUISE ANNUAL 2012