Transformers: Seeds Of Deception, a saga set (mostly) in the Golden age, before The War Within vol. 1, The War Within: The Dark Ages, The War Within: The Age Of Wrath.
Official books in the same continuity: Infiltration, Stormbringer, Escalation, Devastation, Revelation, Maximum Dinobots, Spotlight vol. 1, Spotlight vol. 2 and Spotlight vol. 3.
More details in the SoD roadmap!
I dig it. I’m working on my own narrative right now (you should totally check it out). I’m also looking for other writers to collaborate with, if that’s something you may be interested in.