Follows three young operatives of a Psychic Detection Agency as they battle an epidemic of ghosts in London.

"Lockwood & Co. are hired to investigate Edmund Bickerstaff, a Victorian doctor who reportedly tried to communicate with the dead, while Lucy is distracted by urgent whispers coming from the skull in a ghost jar"--

"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. . . "--

As the battle between the statues and gargoyles of London rages, twelve-year-old George Chapman is stalked by The Dark Knight, while George's friend Edie seeks revenge on the Walker.

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"--

Fourteen-year-old Nick and his brother, an ineffectual private detective, try to prevent the threatened murder of an international pop star in London at Christmas time.

In 1816, sixteen-year-old Mary O'Shea accepts her married sister's invitation to visit her in London and experiences much of the world beyond her beloved family farm on Mackinac Island.

When a famous archaeologist has the priceless jewel he is carrying to London aboard a cruise ship stolen, Samantha and Nellie help him narrow down the suspects.

"Styx and their cohorts of deadly Armagi have swept across England, leaving death and devastation in their wake. Only a miracle can save the day and, in the inner world at the centre of the earth, Will and Elliott might just have stumbled upon one as they uncover ancient secrets that are fundamental to all human and Styx life"--