Flember 3: The Glowing Skull (from the multi-million-selling creative genius Jamie Smart) by Jamie Smart

Boy-inventor Dev and his giant robot bear, Boja, return for a third madcap adventure, in the high-tech, mega-modern city of Prosperity. There's a battle going on for who will control the magical power of flember . . . will Dev and Boja find themselves fighting for the right side?
Binding: Paperback / softback