Kepler62 #1: The Invitation

Overpopulation has caused Earth's natural resources to diminish, and people are struggling to survive. Thirteen-year-old Ari is looking after his little brother, Joni, who has fallen ill with a mysterious virus. The boys manage to get hold of a copy of Kepler62, the newest computer game that everyone's talking about and which is supposed to be almost impossible to complete. Working together, the b...