As young archaeologist Will Burrows continues to search for his lost father in the strange underground world he has discovered beneath the city of London, he stumbles across a sinister plot with terrible implications for the world above.
As fourteen-year-old archaeologist Will and his friends plummet down a subterranean pore, they face deadly creatures and discover a strange fungal shelf, which not only reveals artifacts from ancient civilizations, but clues to a lost land at the end of the Earth.
When Will Burrows and his friend Chester embark on a quest to find Will's archaeologist father, who has inexplicably disappeared, they are led to a labyrinthine world underneath London, full of sinister inhabitants with evil intentions toward "Topsoilers" like Will and his father.
While going through the possessions of a deceased guest who owed them money, the mistress of the inn and her son find a treasure map that leads them to a pirate's fortune.
What's happening to Charlie Bone? Charlie doesn't want to believe it when he discovers that he can hear the thoughts of people in photographs. But his horrible aunts are delighted - it means that he is one of the chosen and must attend the Bloor's Academy for gifted children. Once there, Charlie realizes that some of his classmates have equally mysterious powers, and soon Charlie is involved in…
When an ancient enchanter is released from the grounds of Bloor's Academy, threatening both of Charlie Bone's parents, the only way Charlie and his friends can defeat him is by finding the red king himself.
Charlie Bone is back at Bloor's Academy, where a new semester- and new powers-await him. Bur nothing is quite the same as Charlie left it.
Emma discovers that the invisible boy living upstairs in the attic is her older brother, and when Manfred finds out their plans, he threatens to lock up Emma.
Back at Bloor's Academy after Christmas vacation, Charlie finds himself confronted with a new problem when young Henry Yewbeam, who vanished during a game of marbles in 1916, suddenly appears and needs help to find his family.