Transformers: EarthSpark is a kids animated series from Nickelodeon and Hasbro introducing the first Transformers bots to be born on Earth, now airing! See how the one and only Optimus Prime handles his responsibilities in this engaging Level 2 Ready-to-Read! Now that the Transformers War is over, Optimus Prime's role as leader of the bots looks a little different than before. Follow along as he works with Dot Malto...