High-octane, hilarious, fully illustrated fiction from the bestselling creator of Bunny vs Monkey, the Flember series celebrates determination, imagination, best friendship, and the magic of self-belief. The series' third novel now has a brand-new, striking cover look.

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?

"A funny tale of friendship, inventiveness, and, ultimately, about taking responsibility for your mistakes" - The BookBag, praise for the Flember series

"Fast-paced, astoundingly inventive, raucously hilarious, deeply moving even while sagely exploring how carefree childishness grows into empathy and responsibility" - Comics Review, praise for the Flember series

"Packed with humour" - Books for Keeps, praise for the Flember series