Archeology-enthusiasts Will Burrows and his father dig up an abandoned tunnel that leads underneath London, but when Will's father disappears he goes on the hunt with his friend Chester, and on the run from the strange men in tall hats. Includes an excerpt from "Deeper."

When twelve-year-old Peter and his family arrive in Greenland for his father's research, he stumbles upon a secret his mother has been hiding from him all his life, and begins an adventure he never imagines possible.

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.

Will Burrows believes he is safe at the very center of the earth, in a world that no one knows exists, but the Styx are close behind and will follow him anywhere, while on the surface, Drake and some unlikely allies unearth some critical secrets.

The hilarious first book in a middle-grade fantasy trilogy about the magical rivers that run through the sewers of London and shape history in ways you'd never learn in school.

Magic is real. History is a big, fat lie.
 
Before Hyacinth Hayward moves from Illinois to London, she reads up on the city’s history. Too bad for her. Because the books are wrong. The truth is, London was built on magical rivers, and all...

"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"--

Life becomes more interesting for Ananka Fishbein when, at the age of twelve, she discovers an underground room in the park across from her New York City apartment and meets a mysterious girl called Kiki Strike who claims that she, too, wants to explore the subterranean world.

Pat O'Toole has always idolized his older brother, Coop, right up until the day Coop ran away from their home just outside Washington, D.C. -- now a year later he has received a package containing a digital voice recorder and a cryptic message from his brother, which will lead Pat on a strange and dangerous journey to the mysterious Community living beneath the streets of New York.

A continuation of the purported journal of an eight-year-old adventurer, as he faces myriad strange creatures in the underground world of Subterranea.

Teenager Eliza and her friends are going to explore a cave near their upstate New York home, but first her friends insist on dragging her to Drowner's Swamp, a bog legendary for its dangerous sinkholes, and a place which her mother has frequently warned her about; Eliza does not want to go, and when the earth opens up and swallows her she finds herself in a system of caves--and what she finds living there is strange and dangerous beyond anything the...