mystery

Josh, a twelve-year-old detective in the making, wants to solve the mystery of a nighttime intruder, but he might need some help from a very unlikely source.

The Murphy teens face evolutionary claims, sunken treasure, diving adventures, pitates, and a fight for their lives.

The Murphy teens must dig up a T-Rex located at the top of a mountian. Evidence leads them to believe every thing is not what it seems.

The Murphy teens face deadly illness, mistaken identity, rare coins, and a startiling discovery that could have devastating results.

Judy Drewdy and friends try to find out who kidnapped a crime-dog-in-training and why chocolate chip cookies are disappering.

When a visiting dignitarys daughter is scheduled to attend a party at a horror-themed restaurant in New York City, ATAC agents Joe and Frank Hardy are enlisted as undercover protection! But in a building where anything can happenwhere the walls literally have earscan the Hardy Boys find and stop the assassin before it is too late? .

Josie Sandoval and Eli Barker are the youngest of the wedding guests trapped on an island off the coast of Maine when a storm blows in--but this island is haunted by spirits seeking revenge, and the only clue that Josie and Eli have is a scrap of an old Nazi uniform and a voice crying out for help in German.

"It's been two months since the Kaplan family hunted down the Serpens relic, but when the evil Galina Krause suddenly and violently reappears, Wade, Darrell, Lily, and Becca have no choice but to face her again. Now they must race to find an artifact said to be crafted by Leonardo da Vinci himself--perhaps the strangest Guardian of all. Along the way, they uncover another layer to Galina's sinister endgame . . . and there might not be enough time to stop it" --Provided by publisher.

Henry, Anna, and Jose, the junior members of the Silver Jaguar Society, are on a mission in Paris to recover the Mona Lisa--but when senior members of the Society are taken hostage, it is up to Henry to rescue them while continuing to pursue the missing masterpiece.