ISBN-13: 9781504940603 / Angielski / Miękka / 2015 / 232 str.
Bruno is just about to celebrate his seventeenth Birthday when he is summoned back to Nimara. This time the Gwarks revenge is personal and they are out for blood. They are out to destroy Nimara for good. Bruno must face his most difficult challenges with the help from Summer, Elzbieta, new member, Greg and the Nimaran people. Together they must succeed in protecting the planet from total extinction. They will have to face the Gwarks secret weapon that they will have to combat. What will be the outcome?