Egged on by a ground squirrel, a dog named Doug digs miles underground--taking a detour through the White House--until he returns home, goes to bed, and dreams of digging some more.

"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...

Eight-year-old Drake is snatched up by the King's soldiers and taken to the castle where he is told by the wizard Griffith that he has been chosen to be a Dragon Master like Ana, Rori, and Bo--and his first task will be to discover whether his dragon, Worm, has any special powers.

In 1917, Thomas, a thirteen-year-old coal miner seeking his missing brother, James, joins the Claykickers, who tunnel beneath the battlefields of the Western Front as they learn to be men.

"Radcliffe Prep. The third most haunted school in the country, where a student disappearance isn't uncommon and no one dares stay in the library after dark. And Este Logano enrolls with the hopes of finding her dead father. Not literally, of course. She doesn't believe in ghosts. Going to her dad's school just seems like her best hope at figuring out who he was. But then Este meets Mateo, who is maybe--probably--definitely--a real ghost. And an annoying...

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.

Althought Felina the cat queen is gone, the subway tunnels are still dangerous, not only because of Hopper's rogue brother Pup and his arachnid companion Hacklemesh, but also due to a secret Firren has been hiding that worries her more than the disappearance of her daughter, Hope. Includes a bonus story, ATLANTIA RISING: How it All Began.

Alexander and his new friend, Rip, are worried that the worms the rain has brought out are really the megaworms that Notebook of Doom describes but they soon discover that the night crawlers are trying to warn them about the monster tunnel fish that are threatening Stermont Elementary.

Mandie is sure there is a mystery hidden behind the crack in the wall of a tunnel below her house.

England is at war. Growing up in a lighthouse, Pet's world has been one of storms, secret tunnels and stories about sea monsters. But now the clifftops are a terrifying battleground, and her family is torn apart. This is the story of a girl who is small, afraid and unnoticed. A girl who freezes with fear at the enemy planes ripping through the skies overhead. A girl who is somehow destined to become part of the strange, ancient legend of the Daughters...