検索キーワード： 制作 "Oasis Audio" ミステリー・サスペンス

Three complete stories in one collection! Includes The Summer Camp Mystery, The Copycat Mystery, and The Haunted Clock Tower Mystery.

Three complete stories in one collection! This volume includes The Mystery of the Lost Mine, The Guide Dog Mystery, and The Hurricane Mystery.

This bundle includes The Great Detective Race, The Ghost at the Drive-In Movie, and The Mystery of the Traveling Tomatoes.

This volume includes: The Ghost in the First Row, The Box That Watch Found, and A Horse Named Dragon.

Three complete stories in one collection! This volume includes The Growling Bear Mystery, The Mystery of the Lake Monster, and The Mystery of Peacock Hall.

This bundle includes The Mystery of the Grinning Gargoyle, The Mystery of the Missing Pop Idol, and The Mystery of the Stolen Dinosaur Bones.

Three complete stories in one collection! Includes The Spy Game, The Dog-Gone Mystery, and The Vampire Mystery.

This bundle includes The Boardwalk Mystery, Mystery of the Fallen Treasure, and The Return of the Graveyard Ghost.

This bundle includes The Mystery of the Pirate's Map, The Ghost Town Mystery, and The Mystery in the Mall.

Three complete stories in one collection! Includes The Mystery on Stage, The Dinosaur Mystery, and The Mystery of the Stolen Music.

Three complete stories in one collection! Includes The Mystery of the Stolen Boxcar, The Mystery in the Cave, and The Mystery on the Train.

Frank and Joe are on a history club trip to New York City, and their first stop is the Prohibition Museum where they’ll hear about how smugglers building getaway vehicles led to the rise of modern stock car racing. During a tour of damp escape tunnels beneath the museum, Frank slips and breaks a wall panel with his elbow, revealing a hidden compartment containing documents from the 1920s!

When Jessie and her friends decide to go camping as part of the Weekend in the Woods event, it doesn't take long for them to start discovering strange clues that could have something to do with a hiker who went missing years ago. Soon after they begin their investigation, they start receiving threatening messages from someone who wants them out of the woods―immediately. Could someone be trying to cover up what really happened to the missing hiker? It's up to Jessie to dig up the truth.

When a family friend, Grace, opens a sailing club on Lake Champlain at the former site of the Gemstone Islands Resort, Nancy, Bess, and George are invited to enjoy a few days of boating before the club’s official grand opening. But when they arrive, they learn there have been some strange things happening on the property, from missing items to holes dug all over the yard. Is someone trying to sabotage the club, and could it have anything to do with the fire that destroyed the old resort twenty years ago?

Henry, Jessie, Violet, and Benny are going down under. Off the coast of Australia, they dive in to explore the Great Barrier Reef. With the help of their conservationist guide, Kayla, they learn about ways to help rebuild the damaged reef. But coral reefs take a long time to take shape. Can the Aldens find ways to help the animals that need help now?

When a traveling theater production comes to town, Jessie is excited to write a profile of its star, a talented performer who grew up in Greenfield and is making a big splash around the world. But when the performer goes missing days before the show is set to make its debut, Jessie realizes that something big is going on behind the scenes. If she wants to score a celebrity interview, she’s going to have to solve a mystery first.

Henry, Jessie, Violet, and Benny are off to the rain forests of Sumatra, where a protected piece of land is home to endangered animals such as orangutans, elephants, and tigers. But when part of the forest gets cut down, the Aldens have to figure out who is responsible, not only to protect the rain forest, but also the animals within.

The Raptor Rehab Center's reputation is at stake! Can the Aldens figure out who's responsible for the bad press before the center gets shut down for good? 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. Who could the culprit be, and why would they want to cause trouble for injured birds?

When an oil spill takes place off the coast of Connecticut, the Aldens are happy to volunteer to help clean up the animals affected, including a rare species of shore bird. But could more have been done to prevent the spill? As the Aldens take up the case, it leads them on an adventure to help other endangered animals around the world.

After helping clean up an oil spill in Connecticut, the Aldens are heading to a much cooler climate, where scientists are working to conserve the snow leopard population. With only hundreds left in the world, the Aldens know each animal is important. Can the Aldens do their part to help save this elusive and important animal?