The IDW Generation 1 storyline in updated chronological order, bringing you the span of this masterful reinvention of the classic characters and scenarios. As the core G1 storyline marches on in a trio of essential Spotlight stories, expanding its roster of characters and locations, we step sideways into an alternative timeline to envision Hearts of Steel, set in the second half of the 19th century. Witness the industrial steam age of Transformers as historical Americana meets the warring robots in disguise in this spectacular reinvention. Plus new background material created especially for The Definitive Collection, including Creating the IDW-Verse (with fresh input from the creators) and a new contextual introduction by editorial consultant Simon Furman. COLLECTING THE TRANSFORMERS: EVOLUTIONS - HEARTS OF STEEL #1-4, TRANSFORMERS SPOTLIGHT: GALVATRON, TRANSFORMERS SPOTLIGHT: OPTIMUS PRIME & TRANSFORMERS SPOTLIGHT: MIRAGE