Why is Superman so powerful on Earth? What is his suit made of? How does red Kryptonite affect the Man of Steel? Dig into a treasure trove of info about the Last Son of Krypton. Featuring captivating text, quick lists, fun quizzes and more, this behind-the-scenes bio is bursting with fantastic facts and super secrets! It has everything young readers never knew they needed to know about Superman! Part of the DC Secrets Revealed! series.