In 1940, during the Blitz, Katherine, Robbie and Amelie Bateson are sent north to a private school in Rookskill Castle in Scotland, a brooding place, haunted by dark magic from the past--but when some of their classmates disappear Katherine has to find out if the cause is hidden in the past or very much in the present.

Will Robie returns home from a mission overseas to discover that his boss--codenamed Blue Man--has vanished. His last known location was in remote Colorado, and there have been no other sightings or communications since. But there is violence brewing in this small town, and Robie and his sometime-partner Jessica Reel will be lucky if they make it out alive, with or without Blue Man.

The local police prove unhelpful when a 500-pound dinosaur skull vanishes from a secret excavation on Sage's family's ranch, so Teddy and his friends conduct their own investigation.

A member of the Bayview Crew disappears and everyone feels like they could be next, but the situation suddenly worsens when someone unexpectedly returns to Bayview.

"When Colin finds a shoebox full of letters hidden in a stranger's attic, he knows he's supposed to throw them away. That's his summer job, getting rid of junk. But Colin wants to rescue the letters--and find out what really happened to best friends Rosemary and Toby way back in the 1970s. Meanwhile, across town, Nevaeh also finds a mysterious letter. But this one reads like a confession to a crime. And Nevaeh knows her father, the 'Junk King,' expects...

"A group of kids discovers they were cloned from the DNA of some of the greatest criminal masterminds in history for a sociological experiment, and they must find a way to prove it to the rest of the world"--

When Rosamond looks into her crystal ball to read Nate the Great's future, she sees a new case for him to solve--her money box is missing and she wants him to find it.

"When Billy, a troubled young man, comes to private eye Cormoran Strike's office to ask for his help investigating a crime he thinks he witnessed as a child, Strike is left deeply unsettled. While Billy is obviously mentally distressed, and cannot remember many concrete details, there is something sincere about him and his story. But before Strike can question him further, Billy bolts from his office in a panic. Trying to get to the bottom of Billy's...

When a Connecticut teenager inherits vast wealth and an eccentric estate from the richest man in Texas, she must also live with his surviving family and solve a series of puzzles to discover how she earned her inheritance.

The Alden children discover clues that could help them figure out why a man vanished from a run-down yellow house on Surprise Island.