He's even helped Coop with some of his crazier plans -- such as risking his life to help his big brother dig a tunnel underneath their neighborhood in the suburbs of Washington, DC. Coop is . . . different. He doesn't talk on the phone, doesn't use email, and doesn't have friends. He's never really cared for anything but the thrill of being underground and Pat. So it's no surprise to anyone -- even Pat -- that after a huge fight with their parents, Coop runs away. Exactly one year later, Pat receives a package containing a digital voice recorder and a cryptic message from his brother. He follows the clues to New York City, and soon discovers that Coop has joined the Community, a self-sufficient society living beneath the streets. Now it's up to Pat to find his brother -- and bring him home.

    But when adventuress and aviatrix Linka Perlfinger walks into his watchmaker's shop, his life becomes anything but ordinary.

    An artifact found by their parents—on the expedition from which they never returned—leads Jake and Kady to a strange world inhabited by a peculiar mix of long-lost civilizations, a world that may hold the key to their parents' disappearance.But even as they enter the gate to this extraordinary place, savage grackyls soar across the sky, diving to attack. Jake's new friends, the pretty Mayan girl Marika and the Roman Pindor, say the grackyls were created by an evil alchemist—the Skull King. And as Jake struggles to find a way home, it becomes obvious that what the Skull King wants most is Jake and Kady—dead or alive.

    As Coke and Pepsi dodge nefarious villains from the Pez museum in California all the way to the Infinity Room in Wisconsin, black-and-white photographs and maps put young readers right into the action. And don't miss the next leg of the journey in The Genius Files: Never Say Genius!Supports the Common Core State Standards

    Sent to spend the summer in the heart of storm country with her father in the special StormSafe community his company has developed, Jaden Meggs is excited to reconnect with her dad after he spent years researching storm technology in Russia. She’ll also be attending the exclusive summer science camp, Eye On Tomorrow, that her dad founded. There, Jaden meets Alex, a boy whose passion for science matches hers, and together they discover a horrible truth about her dad’s research that is putting countless lives at risk. As a massive tornado approaches, threatening to destroy everything in its path, Jaden is torn between loyalty to her dad and revealing his secret. Can she find the courage to confront her dad and save everyone from the biggest storm yet?

    When the clients, a reckless boy Julie's age and his equally foolhardy father, disregard Julie's instructions during the dive, she quickly realizes she's in over her head.And once she surfaces, things only get worse: One of the clients is in serious condition, and their dive boat has vanished--along with Julie's father, the only person who knows their whereabouts. It's only a matter of time before they die of hypothermia, unless they become shark bait first. Though Julie may not like her clients, it's up to her to save them all.

    With the help of cutting-edge science, their nerdy qualities are enhanced and transformed into incredible abilities. They battle the Hyena, a former junior beauty pageant contestant turned assassin, and an array of James Bond–style villains, each with an evil plan more diabolical and more ridiculous than the last.

    In fact, the only bond he shares with his eccentric father is a passion for archaeological excavation. So when his dad mysteriously vanishes, Will is compelled to dig up the truth behind his disappearance. He unearths the unbelievable: a subterranean society that time forgot. "The Colony" has existed unchanged for a century, but it's no benign time capsule of a bygone era. Because the Colony is ruled by a merciless overclass, the Styx. Will must free his father--is he also about to ignite a revolution?

    When diphtheria strikes the village and the children of Clifton start dying, Jessie's mother sends her on a dangerous mission to bring back help. But beyond the walls of Clifton, Jessie discovers a world even more alien and threatening than she could have imagined, and soon she finds her own life in jeopardy. Can she get help before the children of Clifton, and Jessie herself, run out of time?

    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 math skills, Ben isn't 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 C.I.A. academy. Could the C.I.A. really want him?Actually, no. There’s been a case of mistaken identity—but that doesn’t stop Ben from trying to morph into a supercool undercover agent, the kind that always gets the girl. And through a series of hilarious misadventures, Ben realizes he might actually be a halfway decent spy…if he can survive all the attempts being made on his life!

    When their beloved aunt--matriarch of the world's most powerful family--dies, orphaned siblings Amy and Dan Cahill compete with less honorable Cahill descendants in a race around the world to find cryptic clues to a mysterious fortune.Book includes game cards which the reader may use to play an online version of the treasure hunt.

    Like every child in the city, she wears a silver guardchain and is forced to obey the dreaded Blessed Guardians. She has never done anything by herself and won’t be allowed out on the streets unchained until Separation Day.When Separation Day is canceled, Goldie, who has always been both impatient and bold, runs away, risking not only her own life but also the lives of those she has left behind. In the chaos that follows, she is lured to the mysterious Museum of Dunt, where she meets the boy Toadspit and discovers terrible secrets. Only the cunning mind of a thief can understand the museum’s strange, shifting rooms. Fortunately, Goldie has a talent for thieving.Which is just as well, because the leader of the Blessed Guardians has his own plans for the museum—plans that threaten the lives of everyone Goldie loves. And it will take a daring thief to stop him. . . .Museum of Thieves is a thrilling tale of destiny and danger, and of a courageous girl who has never been allowed to grow up—until now.

    North—a daredevil swordsman whose prowess with double scimitars was legendary. Like any swashbuckling young warrior, North seeks treasure and adventure, leading him to the fiercely guarded village of Santoff Claussen, said to be home to the greatest treasure in all the East, and to an even greater wizard, Ombric Shalazar. But when North arrives, legends of riches have given way to terrors of epic proportions! North must decide whether to seek his fortune…or save the village.When our rebellious hero gets sucked into the chaos (literally), the fight becomes very personal. The Nightmare King and his evil Fearlings are ruling the night, owning the shadows, and sending waves of fear through all of Santoff Clausen. For North, this is a battle worth fighting...and, he's not alone. There are five other Guardians out there. He only has to find them in time.

    Theodore Bartholomew is petrified of dying. Lulu Punchalower is scared of confined spaces. Garrison Feldman is terrified of deep water. With very few options left, the parents of these four twelve year-olds send them to the highly elusive and exclusive School of Fear to help them overcome their phobias. But when their peculiar teacher, Mrs. Wellington, and her unconventional teaching methods turn out to be more frightening than even their fears, the foursome realize that this just may be the scariest summer of their lives.

    She is even more surprised when the test results come back positive, and she is sent to Attic Island, a former prison turned refuge—and quarantine colony—for the ill. The Scourge’s victims, Ani now among them, can only expect to live out short, painful lives there.However, Ani quickly discovers that she doesn’t know the whole truth about the Scourge or the Colony. She’s been caught in a devious plot, and, with the help of her best friend, Weevil, Ani means to uncover just what is actually going on. But will she and Weevil survive the Scourge—and the gorvernor’s wardens—long enough to make their escape and expose the cruel plan?