When twelve-year-old George accidentally decapitates a stone statue in London, England, he falls into a parallel dimension where he must battle ancient "live" statues and solve a dangerous riddle.

When thirteen-year-old Gerald finds himself the heir to twenty billion pounds from an aunt he never met, he inherits with it a mystery surrounding his aunt's death and various artifacts in the British Museum.

An imaginative, wealthy, good little girl retains her royal composure even when banished to the attic as a charity pupil after her English boarding school mistress hears that her father has died in poverty.

"Anthony, George, and Lucy investigate new hauntings, track down assassins, and a new assistant joins Lockwood & Co"--

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.

"Ten-year-old twins Mia and Maddie and their little sister Lulu head to London for the first time to watch mom, famous singer Gloria Glimmer, perform. But on a day trip to the National Gallery, Maddie witnesses what she believes to be an art theft and takes her sisters and their beloved and wacky nanny Miss Julia on a wild and crazy adventure as they follow the supposed thief to his lair"--

Lizzie is now an established member of Fitzy's Circus, but when the circus arrives in Kensal Green they are plagued by accidents and sickness--and Lizzie needs to put her psychic talents to use to solve the mystery of a graveyard haunted by a devil hound.

"A terrible crime forces Lockwood to turn to Lucy for help, setting them on the trail of dark secrets at the heart of London society. Both professionally and personally, their investigation stirs up forces they may not be able to control. . . "--

At the end of third grade, Amber is excited about her trip with her aunt to London and Paris, where she will see her father again, but her plans change when she comes down with chicken pox.

In her diary in 1912, thirteen-year-old Margaret Ann describes how she leaves her lonely life in a London orphanage to become a companion to a wealthy American woman, sails on the Titanic, and experiences its sinking.