Nancy Drew's keen mind is tested when she searches for a missing will.

Nate and his dog Sludge try to solve a case on Halloween night and find themselves locked in a haunted house.

Asked to locate a stolen necklace of unusual value, Nancy soon discovers that strange and dangerous people are responsible for the theft.

"A year after the Bayview four were cleared of Simon Kelleher's death, a new mystery has cropped up--a game with dangerous consequences that's targeting students at Bayview again. And if the creator isn't found soon, dangerous could prove deadly"-- Provided by publisher.

Detectives-in-training Milo and Jazz must put their skills to the test to solve the mystery of how the water in the town swimming pool turned purple.

Henry, Jessie, Violet, and Benny are excited to learn more about raptors when they volunteer at a rehab center for wild birds, but not long after they arrive, a series of strange events makes it seem like someone might be trying to sabotage the center.

"Players move into the next round of the Grandest Game, where millions of dollars in prize money are on the line-and new relationships, motivations, and threats come to light"-- Provided by publisher.

"The Keepers of the School--known to their friends as Ben, Jill, and Robert--have one last chance to save their school before it's torn down to make room for a seaside amusement park. But their nemeses, janitors Lyman and Wally, are just as determined to keep the kids out of the way and the demolition on schedule"-- Provided by publisher.

Two women uncover the truth in a rural murder investigation.