Following a prophecy of a former resident of their Brooklyn alley, two boys discover an underground passage behind their houses.

In the year 241, twelve-year-old Lina trades jobs on Assignment Day to be a Messenger to run to new places in her decaying but beloved city, perhaps even to glimpse Unknown Regions.

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.

When her best friend disappears in the summer of 1942, Liza resolves to rescue her no matter the cost, entangling herself in an increasingly dangerous web with two former classmates, one a member of the militia and other other forced to live in Leningrad's tunnels.

Two worms who are best friends have fun together as they tunnel their way through a garden. Includes facts on how worms help plants grow.

Enter the world of Septimus Heap, wizard apprentice. Magyk is his destiny. The evil necromancer DomDaniel has been disposed of, but something Darke is stirring. A shadow pursues ExtraOrdinary Wizard Marcia Overstrand around, following her every move, growing stronger every day. Septimus senses something sinister is afoot, but before he can act, Jenna is snatched - taken by the most unlikely kidnapper. Septimus must rescue his sister but does not,...

"Abby Ward lives in a town haunted by disappearances. People vanish, and when they're found, their bodies have been dismembered and sewn back together in unnatural ways. But is it the work of a human killer . . . or something far darker? She and her younger sister live by a strict set of rules designed to keep them safe--which is why it's such a shock when Hope is taken. Desperate to get her back, Abby tells the police everything she knows, but they...

The Warriors series meets Redwall in this first book in an epic animal adventure series set in the subway tunnels of Brooklyn. Hopper is just an ordinary pet shop mouse before he escapes. Soon he finds himself below the bustling streets of Brooklyn, deep within the untamed tangles of transit tunnels, and in Atlantia, a glorious utopian rat civilization. But all is not what it seems. Though Hopper is treated as a royal guest, he misses his siblings...

Maisie sets out to uncover the true identity of the new lodger at her gran's boarding house and uncovers a more complicated - and dangerous - mystery than she could have imagined.

When a field mouse asks Carl the earthworm why he tunnels through the dirt, Carl doesn't have an answer, so he sets off to find out.