Olivia, friends and family must once again search for the History Sphere and its Keeper, Hector. The Historeum has been vandalised by the evil warlock Gillespie and his marauding army, the History Sphere stolen and Hector kidnapped. Olivia and her friends together with a Ranger must cross six very different and dangerous lands to reach the lair of Gillespie, which is hidden deep inside a volcano. It's a race against time to save Hector and the Sphere. Olivia and her friends will encounter strange and wonderful phenomena in the course of this perilous quest. The last in a trilogy of fast-paced fantastic adventures.