Bøker i Jonna and the Unpossible Monst-serien

"In the final arc of our incredible tale, we learn the origins of the strange creatures that have invaded the planet, draining it of resources--as well as that of fellow adventurers Gor and Nomi. All the threads converge inside the mysterious giant egg! With the fate of their family and possibly the whole world at stake, can Jonna and Rainbow rescue their dad, battle countless monsters, and tell each other how they really feel?"--Publisher marketing.