Perfect for fans of the Percy Jackson and Seven Wonders series, Island of the Sun is the second book in an epic, fast-paced middle grade adventure trilogy by acclaimed author Matthew J. Kirby.

Eleanor and her friends have shut down the mysterious Concentrator in the Arctic, but their mission is far from over. The earth is still spinning out of its orbit and growing colder by the day. Their only chance is to find the other Concentrators embedded around the world and deactivate them before it's too late.

But doing so won't be easy. The Global Energy Trust has branded...