What would happen if you discovered that your family was one of the most powerful in human history? What if you were told that the source of the family's power was hidden around the world, in the form of 39 Clues? What if you were given a choice - take a million dollars and walk away...or get the first Clue? If you're Amy and Dan Cahill, you take the Clue - and begin a very dangerous race.

Mason has never known his father, but longs to. All he has of him is a DVD of a man whose face is never seen, reading a children’s book. One day, on a whim, he plays the DVD for a group of comatose teens at the nursing home where his mother works. One of them, a beautiful girl, responds. Mason learns she is part of an experiment intended to render teenagers into autotrophs—genetically engineered, self-sustaining life-forms who don’t need food or water to survive.

For 12-year-old Emily, the best thing about moving to San Francisco is that it's the home city of her literary idol: Garrison Griswold, book publisher and creator of the online sensation Book Scavenger (a game where books are hidden in cities all over the country and clues to find them are revealed through puzzles). Upon her arrival, however, Emily learns that Griswold has been attacked and is now in a coma, and no one knows anything about the epic new game he had been poised to launch.

Prosper and Bo are orphans on the run from their cruel aunt and uncle. The brothers decide to hide out in Venice, where they meet a mysterious thirteen-year-old boy who calls himself the "Thief Lord." Brilliant and charismatic, the Thief Lord leads a ring of street children who dabble in petty crimes. Prosper and Bo delight in being part of this colorful new family. But the Thief Lord has secrets of his own.

Dear Diary...Bess, George, and I are actually in Alaska! Everywhere you look, there are massive mountains and sparkling, deep-blue waters. We're on the maiden voyage of the Arctic Star luxury cruise ship, and my old friend, Becca Wright, the assistant cruise director, needs our help. She received threatening emails before even setting sail; then a bloody body turned up in the swimming pool.

Amanda is reliving her 11th birthday over and over again - even the fight with her best friend, Leo. How can she fix everything and put the day behind her? Only time, friendship, and luck will tell.

Harlem is home to all kinds of kids. Jin sees life passing her by from the window of her family's bodega. Alex wants to help the needy one shelter at a time but can't tell anyone who she really is. Elvin's living on Harlem's cold, lonely streets, surviving on his own after his grandfather was mysteriously attacked. When these three strangers join forces to find out what happened to Elvin's grandfather, their digging leads them to an enigmatic artist whose missing masterpieces are worth a fortune.

For as long as she can remember, 12-year-old Emily Windsnap has lived on a boat. And, oddly enough, for just as long, her mother has seemed anxious to keep Emily away from the water. But when Mom finally agrees to let her take swimming lessons, Emily makes a startling discovery about her own identity, about the mysterious father she's never met, and about the thrilling possibilities and perils shimmering deep below the water's surface.

Zach, Poppy, and Alice have been friends forever. And for almost as long, they’ve been playing one continuous, ever-changing game of pirates and thieves, mermaids and warriors. Ruling over all is the Great Queen, a bone-china doll cursing those who displease her. But they are in middle school now. Zach’s father pushes him to give up make-believe, and Zach quits the game. Their friendship might be over, until Poppy declares she’s been having dreams about the Queen - and the ghost of a girl who will not rest until the bone-china doll is buried in her empty grave.

When best friends Dak Smyth and Sera Froste stumble upon the secret of time travel - a hand-held device known as the Infinity Ring - they're swept up in a centuries-long secret war for the fate of mankind. Recruited by the Hystorians, a secret society that dates back to Aristotle, the kids learn that history has gone disastrously off course. Now it's up to Dak, Sera, and teenage Hystorian-in-training Riq to travel back in time to fix the Great Breaks . . . and to save Dak's missing parents while they're at it.

ALA Schneider Family Book Award-winning author Wendy Mass offers this tasty treat of a tale sure to appeal to any listener’s sweet tooth. The Candymakers follows 12-year-olds Logan, Philip, Daisy, and Miles as each tries to invent a candy even better than the Oozing Crunchorama. But with these contestants—who can detect chocolate by touch and lift 50 lbs. of taffy as if it weighed no more than a loaf of bread—it’s going to be a close race.

Since she can remember, Katarina's relatives have been grooming her for the family business - thieving. But when Kat tries to go straight and leave the Life for a normal life, she's promptly kicked out of her new school for stealing the headmaster's car and mounting it on the school fountain. Although she could have done it without breaking a sweat, ironically, this time, she's innocent.

Unlike the thousands converging at Moon Shadow to witness a total solar eclipse, Ally calls the isolated campground home. Bree shields herself in a cloak of good looks and popularity, but there is something within her no one suspects. And Jack, overweight and socially inept, finds himself on the verge of a startling possibility.

Thirteen extremely valuable pieces of art have been stolen from one of the most secretive museums in the world. A Vermeer has vanished. A Manet is missing. And nobody has any idea where they and the other eleven artworks might be...or who might have stolen them. The Players - Calder, Petra, and Tommy - are no strangers to heists and puzzles. Now they've been matched with two new sleuths - Zoomy, a very small boy with very thick glasses, and Early, a girl who treasures words...

With a dad who disappeared years ago and a mother who's a bit too busy to parent, Emmy is shipped off to Wellsworth, a prestigious boarding school in England, where she's sure she won't fit in. But then she finds a box of mysterious medallions in the attic of her home - medallions that belonged to her father...who may have gone to Wellsworth.

Dear Diary...Bess, George, and I are actually in Alaska! Everywhere you look, there are massive mountains and sparkling, deep-blue waters. We're on the maiden voyage of the Arctic Star luxury cruise ship, and my old friend, Becca Wright, the assistant cruise director, needs our help. She received threatening emails before even setting sail; then a bloody body turned up in the swimming pool.

While looking out the window with her grandma's binoculars, Sammy witnesses a crime across the street at the Heavenly Hotel. What's worse, the thief saw her spying! As Sammy attempts to find the burglar who has made several other hits in the neighborhood, she finds herself trying to keep him from uncovering her - or worse, the police discovering that she's living illegally with her grandmother in the seniors-only housing!

Jeremy Fink has big plans for this summer with his best friend Lizzy, a notorious troublemaker (and no, he does not have a secret crush on her). He has everything he needs within a few blocks of his home, so he never has to leave his little neighborhood. And this summer, he officially becomes a teenager.

ALA Schneider Family Book Award-winning author Wendy Mass offers this tasty treat of a tale sure to appeal to any listener’s sweet tooth. The Candymakers follows 12-year-olds Logan, Philip, Daisy, and Miles as each tries to invent a candy even better than the Oozing Crunchorama. But with these contestants—who can detect chocolate by touch and lift 50 lbs. of taffy as if it weighed no more than a loaf of bread—it’s going to be a close race.

With a dad who disappeared years ago and a mother who's a bit too busy to parent, Emmy is shipped off to Wellsworth, a prestigious boarding school in England, where she's sure she won't fit in. But then she finds a box of mysterious medallions in the attic of her home - medallions that belonged to her father...who may have gone to Wellsworth.

Imagine a school in the year 2074 where students don't read history, but watch it happen around them; where running in gym class isn't around a track, but up a virtual mountain; and where learning about animals means becoming one through an avatar. Welcome to Cragbridge Hall, the most advanced and prestigious school in the world. Twins Abby and Derick Cragbridge are excited as new students to use their famed grandfather's inventions that make Cragbridge Hall so incredible.

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.

The School of Secrets series of chapter books continues the story of Mal and her friends, plus new Villain kids and Auradon kids introduced in the popular Wicked World short-form videos. Enjoy these all-new tales of mystery, magic, and adventure from the world of the hit movie Descendants!

Since she can remember, Katarina's relatives have been grooming her for the family business - thieving. But when Kat tries to go straight and leave the Life for a normal life, she's promptly kicked out of her new school for stealing the headmaster's car and mounting it on the school fountain. Although she could have done it without breaking a sweat, ironically, this time, she's innocent.

Adam has just moved to the small town of Springville. His first day there, he meets Sally, who tells him the town’s real name is Spooksville because of all the spooky things that go on. Adam doesn’t believe her - until they go in search of the Secret Path, a magical path that leads to other Spooksvilles. Join Adam, Sally, and their friend Watch as they take the Secret Path and pass through a dark doorway. On the other side you’ll find a terrifying Spooksville where there are huge spiders, living skeletons, evil black knights, and a witch who just loves to make dolls...out of kids!

For 12-year-old Emily, the best thing about moving to San Francisco is that it's the home city of her literary idol: Garrison Griswold, book publisher and creator of the online sensation Book Scavenger (a game where books are hidden in cities all over the country and clues to find them are revealed through puzzles). Upon her arrival, however, Emily learns that Griswold has been attacked and is now in a coma, and no one knows anything about the epic new game he had been poised to launch.

In 1943, when the United States learns that Germany is on the verge of a deadly innovation that could tip the balance of the war, the government turns to an unlikely source for help: the nation’s top science fiction writers. Installed at a covert military lab within the Philadelphia Naval Yard are the most brilliant of these young visionaries. The unruly band is led by Robert Heinlein, the dashing and complicated master of the genre. His “Kamikaze Group,” is tasked with transforming the wonders of science fiction into science fact....

Melanie Turner has made quite a name for herself remodeling historic houses in the San Francisco Bay Area. But now her reputation may be on the line. At her newest project, a run-down Pacific Heights mansion, Mel is visited by the ghost of a colleague who recently met a bad end with power tools. Mel hopes that by nailing the killer, she can rid herself of the ghostly presence of the murdered man - and not end up a construction casualty herself....

With the defeat of the Overtakers behind them, the five teenagers known as the Kingdom Keepers should be celebrating. By all accounts they saved Disneyland from certain destruction. Why then did their mentor leave one last puzzle for them to decipher? The Keepers must solve a puzzle of the past, or be crushed under an evil that makes the Overtakers seem like gentle souls.

Ryn has one unread text message on her phone. And it's been there for almost a year. She hasn't tried to read it. She can't. She won't. Because that one message is the last thing her best friend ever said to her before she died. But as Ryn finds herself trapped in the Denver International Airport on New Year's Eve thanks to a never-ending blizzard on the one-year anniversary of her best friend's death, fate literally runs into her. And his name is Xander.