Do you want to stop a meteor that is about to fall to earth? Or avoid a train accident? With this simple manual, you can become a great superhero. Thinking of becoming a superhero? It is very hard work, but with these helpful instructions it will be much easier. This manual will help you choose your supercostume or decide which is the best superpower. You may want to know how to form a supergroup or which place is better as a secret base... Here you will find everything you need to know to become the superhero you have always wanted to be. También disponible en español. (Also available in Spanish.)