Mourning his late mother, Tommy doesn't notice much about the chain he found, but soon he is drawing the twin suns and humming the music of a hanorah. As Tommy absorbs the art and language of the Valorim, their enemies target him. When a creature begins ransacking Plymouth in search of the chain, Tommy learns he must protect his family from villains far worse than he's ever imagined.

    Not since it was burned to a cinder by the sun, which has mysteriously begun the process of going supernova. The human race has fled to Mars, but this was only a temporary solution while we prepare for a second trip: a one-hundred-fifty-year journey to a distant star, our best guess at where we might find a new home.Liam Saunders-Chang is one of the last humans left on Mars. The son of two scientists who have been racing against time to create technology vital to humanity’s survival, Liam, along with his friend Phoebe, will be on the very last starliner to depart before Mars, like Earth before it, is destroyed.Or so he thinks. Because before this day is over, Liam and Phoebe will make a series of profound discoveries about the nature of time and space, and find out that the human race is just one of many in our universe locked in a desperate struggle for survival.

    But when a mysterious green violin enters his life he begins to imagine a life of freedom. Hannah is a soft-hearted, strong-willed girl from the tenements, who supports her family as a hotel maid when tragedy strikes and her father can no longer work. She learns about a hidden treasure, which she knows will save her family — if she can find it. And Frederick, the talented and intense clockmaker's apprentice, seeks to learn the truth about his mother while trying to forget the nightmares of the orphanage where she left him. He is determined to build an automaton and enter the clockmakers' guild — if only he can create a working head.Together, the three discover they have phenomenal power when they team up as friends, and that they can overcome even the darkest of fears.

    They look as dusty as everything else in the Faulkner Antiquarian Bookstore, where 14-year-old Sam Faulkner seeks his father, who's been missing for days. But when Sam slips the coin into the statue, he's swept back in time -- to Scotland in 800 A.D. -- where he must find both the statue and another coin in order to return to the present. It's the first step in an adventure that will take him to ancient Egypt, World War I, even Dracula's castle -- and a mystery that will end only when Sam saves his father, or loses him in time . . .

    She enrolls in Yasiro Academy, a high-tech school with classes like algebra, biology, and alien languages (which Cleo could do without), and combat training (which is more Cleo's style). With help from her teacher Khensu, Cleo learns what it takes to be a great leader, all while trying to figure out how she's going to get her homework done, make friends, and avoid detention!

    But her dad–a normal-enough seeming guy–just so happens to work for an evil genius who plans to unleash an army of extremely cranky, stilt-walking, laser-beam-eyed whales upon the world. Lucky for Lily, her two best friends are anything but average. Both of them are famous for their adventures. Jasper Dash, Boy Technonaut, invents gadgets; Katie Mulligan spends her spare time fighting off zombies and were-goats. Surely they'll know what to do. And if they don't? then it will be up to Lily–average, everyday Lily–to come up with a plan.With this crazy comic ride of a novel, M. T. Anderson launches a riotous and wonderfully weird new series for listeners who like their thrilling tales with tongue firmly in cheek.

    Eva's great desire is to go aboveground, and her wish comes true, though not as she had imagined. On the surface, Eva goes in search of other humans--she has never met one--and soon meets both friend and foe.

    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. First stop: Spain, 1492, where a sailor named Christopher Columbus is about to be thrown overboard in a deadly mutiny!

    His conspiracy theories about the lost technology of Cold War–era rocket scientist Dr. Aloysius Underberg may have cost him his job and forced them to move to the middle of nowhere, but Gillian knows he's right and plans to prove it.When she discovers a missing page from Dr. Underberg's diary in her father's mess of an office, she thinks she's found a big piece of the puzzle—a space-themed riddle promising to lead to Dr. Underberg's greatest invention. Enlisting the help of her skeptical younger brother, Eric, her best friend, Savannah, and Howard, their NASA-obsessed schoolmate, Gillian sets off on a journey into the ruins of Omega City, a vast doomsday bunker deep inside the earth,.But they aren't alone inside its dark and flooded halls. For while Gillian wants to save her dad's reputation by bringing Dr. Underberg's secrets to light, there are others who will stop at nothing to make sure they stay buried . . . forever.

    But all that changes when his family moves to the Water Castle—their ancestral home in the small town of Crystal Springs. Mallory Green’s family has always been the caretakers of the Water Castle—and the guardians of the legendary Fountain of Youth, hidden on the estate grounds. Will Wylie’s family has been at war with the Applegates for generations, all because of the Water Castle’s powerful secrets. When Ephraim learns of the Fountain, he’s sure finding it can cure his dad. With Mallory and Will’s help, he embarks on a quest that will blur the lines of magic and science, creativity and discovery, leaving readers left to wonder: Do you believe in the unbelievable?

    Now Prez has come to live with them. But, though he seems cheerful and helpful, he never says a word.Then one day Prez answers the door to someone claiming to be his relative. This small, loud stranger carries a backpack, walks with a swagger and goes by the name of Sputnik.As Prez dithers on the doorstep, Sputnik strolls right past him and introduces himself to everyone in the household. Prez is amazed at the response. The family pat Sputnik on the head, call him a good boy and drop food into his mouth. It seems they all think Sputnik is a dog. It's only Prez who thinks otherwise.But Prez soon finds himself having to defend the family from the chaos and danger unleashed by Sputnik, as household items come to life - like a TV remote that fast-forwards people: 'Anyone can do it, it's just that people don't read the instructions properly'; and a toy lightsaber that entertains guests at a children's party, until one of them is nearly decapitated by it - and Prez is going to have to use his voice to explain himself.It turns out that Sputnik is writing a guidebook to Earth called Ten Things Worth Doing on Earth, and he takes Prez on a journey to discover just those ten things. Each adventure seems to take Prez nearer to the heart of the family he is being fostered by. But they also take him closer to the day that he is due to leave them forever . . .

    But things do not turn out as they had expected. The sole survivors of a terrible shipwreck, they wash ashore to learn that the danger has only begun. Their new world will test their courage, cleverness, endurance, and faith as they struggle to survive and create a civilization of their own in the wilderness. Note: This Townsend Library classic has been carefully edited to be more accessible to today's students. It includes a brief author's biography and an afterword that provides important context about the work.

    But life on the Mars station was grim, and since Earth was no longer an option (we may have blown it up), it was time to find a new home.That's how we ended up on Choom with the Zhuri. They're very smart. They also look like giant mosquitos. But that's not why it's so hard to live here. There's a lot that the Zhuri don't like: singing (just ask my sister, Ila), comedy (one joke got me sent to the principal's office), or any kind of emotion. The biggest problem, though? The Zhuri don't like us. And if humankind is going to survive, it's up to my family to change their minds. No pressure.

    Gaylan soon discovers that the entire kingdom is on the brink of civil war, and must enlist help to define "delicious" and save the country.

    Newton. Salk. Oppenheimer.Science can change the world . . . but can it go too far? Eleven-year-old Ellie has never liked change. She misses fifth grade. She misses her old best friend. She even misses her dearly departed goldfish. Then one day a strange boy shows up. He’s bossy. He’s cranky. And weirdly enough . . . he looks a lot like Ellie’s grandfather, a scientist who’s always been slightly obsessed with immortality. Could this pimply boy really be Grandpa Melvin? Has he finally found the secret to eternal youth?Lexile recommendation: 550