This remarkable and highly imaginative novel takes the reader into the fascinating world of Highlow, a fantastical land inhabited by Sorx, Qorx and other magical creatures. Join Holly and Jack in their frantic search for their friend Podge in a world built on prime numbers. While desperately trying to save Podge, Holly and Jack find themselves in Highlow. Lost and scared, they meet a kindly Qorx who hatches a rescue plan in which they must enter the weird and wonderful town of Qorxville. But their hopes are dashed at every turn. With time running out, they try to escape. After a fierce battle, a terrible disaster occurs. Can Holly and Jack rescue Podge or will they be trapped forever in this strange parallel universe?