"With the help of some unexpected, and rather ghostly, allies, Lockwood & Co. must battle their greatest enemy yet, as they move ever closer to the moment when the earth-shattering secret of 'the problem' will finally be revealed."

Nancy goes undercover at the exclusive Green Club when George's cousin, a candidate for city council, is targeted by a mysterious saboteur who threatens the plans to build a new sports complex.

Amateur sleuth Stevie Bell needs a good murder. After catching a killer at her high school, she's back at home for a normal summer. But then she gets a message from the owner of Sunny Pines, formerly known as Camp Wonder Falls, the site of the notorious unsolved case, the Box in the Woods Murders. Back in 1978, four camp counselors were killed in the woods outside of the town of Barlow Corners, their bodies left in a gruesome display. The new owner...

Billy Dickens discovers that his mysterious father lives in Montana, so this summer Billy will fly across the country, hike a mountain, float a river, dodge a grizzly bear, shoot down a spy drone, and save his own father.

Teenaged detectives Joe and Frank Hardy uncover a plot to sabotage a ski resort.

When thirteen-year-old Logan and his family move into a run-down old house in rural Virginia, he discovers that a woman was murdered there and becomes involved with his neighbor Arthur in a dangerous investigation to try to uncover the killer.

Sixth-grader Alton Barnes loves maps, and when his portfolio of secret maps is stolen, he begins getting notes with orders that he must obey to get the maps back but, with the help of a popular classmate, he just might succeed before his teacher, principal, or someone else learns he has been studying and mapping things about them.

For Sabrina Grimm, living in a community of fairy-tale characters means always being ready for trouble. And something is definitely wrong at her new school. The adults seem too angry, the kids seem too mean, and the gym teacher likes dodgeball way too much. Of course, her little sister, Daphne, is having the time of her life. But when Sabrina's teacher, Mr. Grumpner, is found dead, dangling in a giant spiderweb, even Daphne's convinced that Ferrypot...

"Joe and Frank Hardy are attending the season’s opening night at Funspot, a local amusement park that’s been declining for years, but that recently got new owners and a facelift. Their friend Daisy’s family has everything riding on Funspot’s success: If the revamped park is a failure, her family will be broke! At first, an exhilarating new attraction is a huge hit—but when one of the riders disappears into thin air, fun and games turns into...