After crash-landing on Earth in the 22nd century, Optimus Prime and his rag-tag crew of Autobots have sworn to protect their new home from super-criminals, mad scientists and the dreaded Decepticons!Join the Transformers and their human friend, Sari, in this exciting new range of books where YOU decide what happens next! With a number of outcomes in each book, make your choices and see where the story takes you this time…Megatron is desperate to get his hands on the Allspark so the Autobots have come up with a plan to hide it from him. Can you help them protect the source of all Autobot life?