Jeffrey Archer 
Awesome Adventures of Will and Randolph: The Fallen Heroes [EPUB ebook] 

Get ready for another thrilling rollercoaster ride with brave boy Will, his chatty bear Randolph, and their trusty upside-down bird!Transforming into real superheroes, the trio has to navigate through a city turned upside down by chaos. After teaming up with Badger Man, they must outwit the cunning Dr Odd whose evil contraption has tipped their world into disorder. From breath-taking battles to uncovering secrets, every page turn is packed with action and surprises. But be warned – returning home might not be as easy as it seems!