Barber, John, 1976-2018Optimus Prime ; n4.
Books, Manuscripts
"Darkness falls over Cybertron as the legendary Onyx Prime returns, throwing the planet into chaos! What does this mean for Optimus Prime -- and Earth? As Onyx and his comrades sow panic and dissension on Cybertron, Windblade defends an already tense planet against a secret that could shatter it ...