What is the story of Transformers?

"Since the 1980s, the Transformers toy line has been defining the lives of children with its mighty heroes. But the Robots in Disguise have morphed into much more than just a toy line! This biography for young readers tells the incredible story of the tiny toys that became blockbuster movie stars, comic book heroes, and more. Ride along with Optimus Prime, Bumblebee, and Megatron as you learn the history of the Autobots, the Decepticons, and their legendary battles"--Provided by publisher.