The Transformers. Volume 7, Combiner wars : First strike
John Barber (Author), Sarah Stone (Illustrator), Livio Ramondelli (Illustrator), Andrew Griffith (Illustrator), Brendan Cahill (Illustrator), Josh Perez (Colorist), Joana Lafuente (Colorist), Thomas Deer (Colorist), Tom B. Long
The secret origins of Cybertron's golden age are revealed to Optimus Prime -- and what he learns changes everything about the Autobots' mission on Earth
Print Book, English, 2015
IDW, San Diego, CA, 2015