Nancy and her friend Helen visit their friend Emily Willouby at the Lilac Inn, which Emily now owns, to help her plan her wedding. Emily plans on selling inherited diamonds in order to help fix up the Lilac Inn. However, Nancy soon learns that someone has been impersonating her and making expensive purchases under her name. Soon after, Emily's diamonds are stolen! Can Nancy find the thieves and recover the missing diamonds?

"Trapped at a haunted ski resort, Ollie, Coco, and Brian must rely on their friendship and sharp minds if they want to escape"--

Ali Cross is back in the gripping sequel to Ali Cross, the best-selling mystery that introduced readers to detective Alex Cross' son. In Ali's toughest case ever, his friend Zoe is in trouble after Ali and his friends witnessed a crime in Anacostia Park, and it's up to Ali to figure out why Zoe is lying to the police-and who she's protecting.

The Aldens take part in a hunt at a gem mine and discover that someone is out to sabotage the contest.

Josh and his two friends look for the person who stole a peregrine falcon from its nest.

Nancy Drew tries to find a clue to the strange tapping sounds in the house of a retired actress.

After years in foster care, April gets to live in a mansion where she and four other children are caught up in a mystery related to a missing heir, a lost legacy, and the Phantom.

After her mother dies in 1975, ten-year-old Lemonade must live with her grandfather in a small town famous for Bigfoot sightings and soon becomes friends with Tobin, a quirky Bigfoot investigator.

Estranged friends Ivy, Mateo, and Cal witness a murder while skipping school, and the only way they can solve it is by revealing what they have been hiding from one another--and themselves.

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.