Collects four Hardy Boys mysteries, including "Live free, die Hardy" in which Joe and Frank Hardy must stop the Noir sisters and their hired thugs when they crash the Hardy Boys' father's birthday party and threaten to take the guests hostage.

While on vacation in Martha's Vineyard, twelve-year-old Devlin Quick discovers a genuine pirate doubloon and investigates its origins.

"Twelve-year-old Truly Lovejoy's family moves to a small town to take over a bookstore. Soon, she has to solve two mysteries involving a missing book and an undelivered letter"--

When Julie visits Gold Moon Ranch, a farming commune in California's gold rush country, the back-to-the-land lifestyle seems idyllic at first. But peculiar problems keep cropping up, almost as if someone was trying to shut down the commune! Then, on a secret trip to an abandoned gold mine, Julie stumbles on a mysterious message that hints at long-lost treasure. Julie is desperate to find it, before danger closes in on Gold Moon Ranch.

"There are some things you should know about Harriet Wermer. She used to lie a lot, but not anymore. Seriously, she only tells the truth now. Even though she hadn't wanted to come to Marble Island in the first place, now she doesn't want to leave. It's the truth. With her mom and new baby brother home from the hospital, it's almost time for Harriet to pack up and head home from Marble Island and all the friends she's made. But Harriet doesn't have...

When Evie Von Rathe discovers that the ghosts in Blight Harbor are disappearing, she teams up with a young ghost named Lark and ventures into the Dark Sun Side, where she unravels a personal mystery and battles with shadow creatures to reach the Nighthouse and release the trapped souls.

The Aldens are excited to learn about beekeeping. But when equipment goes missing, they have more than honey to harvest -- they have a mystery to solve!

In 1964 in Totter, Texas, Magnolia Jean Crook--an aspiring detective and a firm believer in UFOs--is desperate to protect her grandmother Mimi against accusations of theft, especially when Mimi's recent memory lapses may signal something serious.

Josie, the seventeen-year-old daughter of a French Quarter prostitute, is striving to escape 1950 New Orleans and enroll at prestigious Smith College when she becomes entangled in a murder investigation.

Eleven-year-old Max struggles with his ADHD and making mistakes, so when a mistake leaves one friend in a coma and another shutting him out, Max resolves to find out what really happened that night.