"Norwich is riddled with old chalk-mining tunnels, but no one's sure exactly how many. When Ruth is called in to investigate a set of human remains found in one of them, she notices the bones are almost translucent, a sign they were boiled soon after death. Once more, she finds herself at the helm of a murder investigation. Meanwhile, DCI Nelson is hunting for a missing homeless woman, Barbara, who he hears has gone "underground." Could she have disappeared...

Welcome to Nowhere, Arizona, the least livable town in the United States. For Gus, a bright 13-year-old with dreams of getting out and going to college, life there is made even worse by Bo Taylor, Nowheres biggest, baddest bully. When Bo tries to force Gus to eat a dangerously spiny cactus, Rossi Scott, one of the best racers in Nowhere, comes to his rescue-but in return she has to give Bo her prized dirt bike. Determined to buy it back, Gus agrees...

On Christmas Day in 1893, every man, woman, and child in a remote mining town will disappear, belongings forsaken, meals left to freeze in vacant cabins, and not a single bone will be found -- not even the gold that was rumored to have been the pride of this town. One hundred and thirteen years later, two backcountry guides are hired by a leading history professor and his journalist daughter to lead them into the abandoned mining town so they can...

When the National Gallery is flooded, the stuffy curator is forced to flee to the mountains of Wales, along with the paintings. He gets more than he bargained for when he meets the townspeople.

After Pat and Jen saved Bomby, their cat Cloud, and one hundred friendly zombies from the clutches of Evil Jen and brought them home from the underworld, they thought their adventuring days were over. But ever since their return, more mysterious new holes have started appearing--and more and more of their friends have started disappearing! After Jen stumbles into one and Pat rushes after her, they find themselves trapped in a dark, dank boomium mine....