In this series opener, listeners meet Jack and his foster siblings, Ava and Matt, who are orphans. But they're not your typical kind of orphans - they're geniuses. Well, Ava and Matt are, which sometimes makes life difficult for 12-year-old Jack. Ava speaks multiple languages and builds robots for fun, and Matt is into astronomy and a whiz at math. As for Jack, it's hard to stand out when he's surrounded by geniuses all the time.

Ben Ripley may only be in middle school, but he's already pegged his dream job: CIA or bust. Unfortunately for him, his personality doesn't exactly scream "secret agent". In fact Ben is so awkward, he can barely get to school and back without a mishap. Because of his innate nerdiness, Ben is not surprised when he is recruited for a magnet school with a focus on science - but he's entirely shocked to discover that the school is actually a front for a junior CIA academy.

Sara Martinez is a hacker. She recently broke into the New York City foster care system to expose her foster parents as cheats and lawbreakers. However, instead of being hailed as a hero, Sara finds herself facing years in a juvenile detention facility and banned from using computers for the same stretch of time. Enter Mother, a British spy who not only gets Sara released from jail but also offers her a chance to make a home for herself within a secret MI5 agency. Operating out of a base in Scotland, the City Spies are five kids from various parts of the world.

Jeremy is not excited about the prospect of spending the summer with his dad and his uncle in a seaside cabin in Oregon. It's the first summer after his parents' divorce, and he hasn't exactly been seeking alone time with his dad. He doesn't have a choice, though, so he goes...and on his first day takes a walk on the beach and finds himself intrigued by a boy his age running by. Eventually, he and Runner Boy (Evan) meet--and what starts out as friendship blooms into something neither boy is expecting... and also something both boys have been secretly hoping for.

After a tragic accident on Martha's Vineyard, keeping secrets becomes a way of life for the Tangle family. With memories locked away, the sisters take divergent paths. Callie disappears, Mimi keeps so busy she has no time to think, and Ginger develops a lifelong aversion to risk that threatens the relationships she holds most dear. When a whispered comment overheard by her rebellious teenage daughter forces Ginger to reveal a long-held family secret, the Tangles' carefully constructed web of lies begins to unravel.

Cruz Coronado leaves his tranquil home in Hawaii to join 23 talented kids from around the globe to train at the Explorer Academy with the world's leading scientists to become the next generation of great explorers. But for Cruz, there's more at stake. No sooner has he arrived at the Academy than he discovers that his family has a mysterious past with the organization that could jeopardize his future. In the midst of codebreaking and cool classes, new friends, and augmented reality expeditions, Cruz must tackle the biggest question of all: Who is out to get him, and why?

The ocean is dying. The sea is growing warmer and is gradually rising. Seashells have become so rare that collecting them is now a national obsession. Flawless specimens sell like priceless works of art. Families hunt the tideline in the dark of night with flashlights. Crowds gather on beaches at the lowest of tides, hoping to get lucky.

One moonlit night, thirteen-year-old Miles O'Malley slips out of his house, packs up his kayak and goes exploring on the flats of Puget Sound. But what begins as an ordinary hunt for starfish, snails, and clams is soon transformed by an astonishing sight: a beached giant squid. As the first person to ever see a giant squid alive, the speed-reading Rachel Carson-obsessed insomniac instantly becomes a local curiosity.

Just why do humpback whales sing? That's the question that has marine behavioral biologist Nate Quinn and his crew poking, charting, recording, and photographing very big, wet, gray marine mammals - until the extraordinary day when a whale lifts its tail into the air to display a cryptic message spelled out in foot-high letters: Bite Me.

On a summer day on the Gulf of Mexico in 1988, two extraordinary things happen to 12-year-old Maeve Donnelly. First she is kissed by Daniel, the boy of her dreams. Then she is attacked by a blacktip shark. Eighteen years later Maeve is a world-traveling marine biologist studying and swimming with the very animals that once threatened her life. Known among her peers as the "shark whisperer", Maeve is fearless in the water.

Fifth grade is off to a terrible start when Frederick is sent to a disciplinary camp for troublesome boys. His fellow troop mates - Nosebleed, Specs, The Professor, and little-yet-lethal Ant Bite - are terrifying. But in between trust-building exercises and midnight escape attempts, a tenuous friendship grows between them. Which is lucky, because a category 5 hurricane is coming, and everyone will have to work together to survive! Kate Beasley outdoes herself in this hilarious, whip-smart tale of brotherhood, survival, and what it really means to be a friend.

Harrison Harrison - H2 to his mom - is a lonely teenager who's been terrified of the water ever since he was a toddler in California, when a huge sea creature capsized their boat, and his father vanished. One of the "sensitives" who are attuned to the supernatural world, Harrison, along with his mother, has just moved to the worst possible place for a boy like him.

In this follow-up to New York Times best sellers The Isle of the Lost and Return to the Isle of the Lost, Mal, Evie, Carlos, and Jay face their biggest challenge yet as a rotten villain from their past returns. They'll have to do everything in their power - good and evil - to keep Auradon safe.

Nicola Berry's life is turned upside down the day a man from another planet comes to Earth on a strange mission. He's looking for somebody to travel back to his home planet and convince their stuck-up princess not to turn Earth into her planet's giant garbage dump. When Nicola is chosen as the Earthling Ambassador, she's not sure that she's up to the task. Can Nicola and her friends save the planet in time? Or will the nasty Princess Petronella cover Earth in a galactic ton of garbage?

Wherever the sharks led, Lucy Everhart's marine-biologist mother was sure to follow. She was on a boat far off the coast of Massachusetts, collecting shark data when she died suddenly. Lucy was seven. Since then Lucy and her father have kept their heads above water - thanks in large part to a few close friends and neighbors. But June of her 12th summer brings more than the end of school and a heat wave to sleepy Rockport. On one steamy day, the tide brings a great white - and then another tragedy....