Charlie Thorne is a genius. Charlie Thorne is a thief. Charlie Thorne isn’t old enough to drive. And now it’s up to her to save the world. Decades ago, Albert Einstein devised an equation that could benefit all life on earth—or destroy it. Fearing what would happen if the equation fell into the wrong hands, he hid it. But now, a diabolical group known as the Furies are closing in on its location. In desperation, a team of CIA agents drags Charlie into the hunt, needing her brilliance to find it first—even though this means placing her life in grave danger!

    Until the morning he wakes up and can't see himself in the mirror. Not blind, not dreaming. Bobby is just plain invisible... There doesn't seem to be any rhyme or reason to Bobby's new condition; even his dad the physicist can't figure it out. For Bobby that means no school, no friends, no life. He's a missing person. Then he meets Alicia. She's blind, and Bobby can't resist talking to her, trusting her. But people are starting to wonder where Bobby is. Bobby knows that his invisibility could have dangerous consequences for his family and that time is running out. He has to find out how to be seen again before it's too late.

    He loved the city, and even after 9/11, he always felt safe. Mitty was a carefree guy: he didn't worry about terrorists or blackouts or grades or anything, which is why he was late getting started on his Advanced Bio report.Mitty does feel a little pressure to hand something in if he doesn't, he'll be switched out of Advanced Bio, which would be unfortunate since Olivia's in Advanced Bio. So he considers it good luck when he finds some old medical books in his family's weekend house that focus on something he could write about. But when he discovers an old envelope with two scabs in one of the books, the report is no longer about the grades: it's about life and death. His own.This edge-of-your-seat thriller will leave you breathless.

    She disappeared after a school field trip to Black Vine Swamp. And, to be honest, the kids in her class are relieved. But when the principal tries to tell the students that Mrs. Starch has been called away on a "family emergency," Nick and Marta just don't buy it. No, they figure the class delinquent, Smoke, has something to do with her disappearance. And he does! But not in the way they think. There's a lot more going on in Black Vine Swamp than any one player in this twisted tale can see. And Nick and Marta will have to reckon with an eccentric eco-avenger, a stuffed rat named Chelsea, a wannabe Texas oilman, a singing substitute teacher, and a ticked-off Florida panther before they really begin to see the big picture. That's life in the swamp, kids.From the Hardcover edition.

    As a foster kid in a cruel home, he knows his dream of one day playing in the NFL is a long shot.Then Harrison is brought into a new home with kind, loving parents—his new dad is even a football coach. Harrison's big build and his incredible determination quickly make him a star running back on the junior high school team.On the field, he's practically unstoppable. But Harrison's good luck can't last forever. When a routine sports injury leads to a devastating diagnosis, it will take every ounce of Harrison's determination not to give up for good.

    And when the sheriff returns to town with an unidentifiable body—wearing Agatha's blue-green ball gown—everyone assumes the worst. Except Georgie. Refusing to believe the facts that are laid down (and coffined) before her, Georgie sets out on a journey to find her sister. She will track every last clue and shred of evidence to bring Agatha home. Yet even with resolute determination and her trusty Springfield single-shot, Georgie is not prepared for what she faces on the western frontier.From the Hardcover edition.

    Ana's parents died while on a scientific expedition two years ago, and the only family she's got left is her older brother, Dev, also a student at HP. Ana's freshman year culminates with the class's weekend trial at sea, the details of which have been kept secret. She only hopes she has what it'll take to succeed. All her worries are blown out of the water when, on the bus ride to the ship, Ana and her schoolmates witness a terrible tragedy that will change the trajectory of their lives.But wait, there's more. The professor accompanying them informs Ana that their rival school, Land Institute, and Harding-Pencroft have been fighting a cold war for a hundred and fifty years. Now that cold war has been turned up to a full broil, and the freshmen are in danger of becoming fish food. In a race against deadly enemies, Ana will make amazing friends and astounding discoveries about her heritage as she puts her leadership skills to the test for the first time.

    Becca Wright, an old friend of Nancy’s, is the Assistant Cruise Director of the Arctic Star, a posh new ship. But Becca needs Nancy’s help when strange things keep happening aboard the opulent ocean liner: The swimming pool becomes a floating grave; a famous passenger is threatened; and even the seemingly innocent mini-golf course becomes a perilous playground. With the majestic and mysterious Alaskan scenery as a backdrop, Nancy and company have to find out who’s trying to sabotage the maiden voyage and why.

    The Gallagher Academy might claim to be a school for geniuses, but it's really a school for spies. Even though Cammie is fluent in fourteen languages and capable of killing a man in seven different ways, she has no idea what to do when she meets an ordinary boy who thinks she's an ordinary girl. Sure, she can tap his phone, hack into his computer, or track him through town with the skill of a real "pavement artist"—but can she maneuver a relationship with someone who can never know the truth about her? Cammie Morgan may be an elite spy-in-training, but in her sophomore year, she's on her most dangerous mission—falling in love.

    A curse that began with his no-good-dirty-rotten-pig-stealing-great-great-grandfather and has since followed generations of Yelnats. Now Stanley has been unjustly sent to a boys’ detention center, Camp Green Lake, where the boys build character by spending all day, every day digging holes exactly five feet wide and five feet deep. There is no lake at Camp Green Lake. But there are an awful lot of holes.It doesn’t take long for Stanley to realize there’s more than character improvement going on at Camp Green Lake. The boys are digging holes because the warden is looking for something. But what could be buried under a dried-up lake? Stanley tries to dig up the truth in this inventive and darkly humorous tale of crime and punishment—and redemption.

    The girl in the red coat. But how did she know his name? The Great Network is a place of drones and androids, maintenance spiders and Station Angels. The place of the thousand gates, where sentient trains criss-cross the galaxy in a heartbeat. Zen Starling is a petty thief, a street urchin from Thunder City. So when mysterious stranger Raven sends Zen and his new friend Nova on a mission to infiltrate the Emperor's train, he jumps at the chance to traverse the Great Network, to cross the galaxy in a heartbeat, to meet interesting people - and to steal their stuff. But the Great Network is a dangerous place, and Zen has no idea where his journey will take him.

    Every day she endures taunts for the birthmark on her face—though her beloved Pauline, the only person who has ever cared for her, tells her it is a precious diamond. When Pauline is sent to work for another carnival, Bee is lost.Then a scruffy dog shows up, as unwanted as she, and Bee realizes that she must find a home for them both. She runs off to a house with gingerbread trim that reminds her of frosting. There two mysterious women, Mrs. Swift and Mrs. Potter, take her in. They clothe her, though their clothes are strangely out of date. They feed her, though there is nothing in their house to eat. They help her go to school, though they won't enter the building themselves. And, strangely, only Bee seems able to see them.Whoever these women are, they matter. They matter to Bee. And they are helping Bee realize that she, too, matters to the world--if only she will let herself be a part of it.This tender novel beautifully captures the pain of isolation, the healing power of community, and the strength of the human spirit.

    Ripped from their parents as babies, they are being protected from a horrible evil of devastating power, an evil they know nothing about.Until now.Before long, Kate, Michael, and Emma are on a journey through time to dangerous and secret corners of the world...a journey of allies and enemies, of magic and mayhem. And — if an ancient prophesy is correct — what they do can change history, and it is up to them to set things right.

    But when Charlotte's scientist father makes an astonishing discovery that the Germans will covet for themselves, Charlotte is faced with an impossible choice between danger and safety. Should she remain with her friend or journey to another time and place? Her split-second decision has huge consequences, and when she finds herself alone in the world, unsure of Kitty's fate, she knows that somehow, some way, she must find her way back to her friend. Written in the spirit of classic time-travel tales, this book is an imaginative and heartfelt tribute to the unbreakable ties of friendship.

    But she soon discovers that they both love anything to do with ancient Egypt. When they stumble upon a deserted storage yard behind the A-Z Antiques and Curio Shop, Melanie and April decide it's the perfect spot for the Egypt Game.Before long there are six Egyptians instead of two. After school and on weekends they all meet to wear costumes, hold ceremonies, and work on their secret code.Everyone thinks it's just a game, until strange things begin happening to the players. Has the Egypt Game gone too far?