It seems the sisters need Maud to help stage elaborate séances for bereaved, wealthy patrons. As Maud is drawn deeper into the deception, playing her role as a "secret child," she is torn between her need to please and her growing conscience – until a shocking betrayal makes clear just how heartless her so-called guardians are. Filled with tantalizing details of turn-of-the-century spiritualism and page-turning suspense, this lively historical novel features a winning heroine whom readers will not soon forget.

    As we dream with him, we are taken further and further into mathematical theory, where ideas eventually take flight, until everyone--from those who fumble over fractions to those who solve complex equations in their heads--winds up marveling at what numbers can do.Hans Magnus Enzensberger is a true polymath, the kind of superb intellectual who loves thinking and marshals all of his charm and wit to share his passions with the world. In The Number Devil, he brings together the surreal logic of Alice in Wonderland and the existential geometry of Flatland with the kind of math everyone would love, if only they had a number devil to teach them.

    She, her mother, and her brother Fritz live on the eastern side, controlled by the Soviets. Her father and middle brother, who had gone west in search of work, cannot return home. Gerta knows it is dangerous to watch the wall, to think forbidden thoughts of freedom, yet she can't help herself. She sees the East German soldiers with their guns trained on their own citizens; she, her family, her neighbors and friends are prisoners in their own city.But one day, while on her way to school, Gerta spots her father on a viewing platform on the western side, pantomiming a peculiar dance. Then, when she receives a mysterious drawing, Gerta puts two and two together and concludes that her father wants Gerta and Fritz to tunnel beneath the wall, out of East Berlin. However, if they are caught, the consequences will be deadly. No one can be trusted. Will Gerta and her family find their way to freedom?

    When a professor discovered that the homework sent to him under a male pen name came from a woman...nothing stopped Sophie. And when she tackled a math problem that male scholars said would be impossible to solve...still, nothing stopped Sophie.For six years Sophie Germain used her love of math and her undeniable determination to test equations that would predict patterns of vibrations. She eventually became the first woman to win a grand prize from France's prestigious Academy of Sciences for her formula, which laid the groundwork for much of modern architecture (and can be seen in the book's illustrations).Award-winning author Cheryl Bardoe's inspiring and poetic text is brought to life by acclaimed artist Barbara McClintock's intricate pen-and-ink, watercolor, and collage illustrations in this true story about a woman who let nothing stop her.

    If you lived in the mountains of southern Spain, your bedroom might be carved out of a mountain. If you lived in a village in South Africa, the outside of your house might tell the story of your family. And if you lived in a floating green house in the Netherlands, you could rotate your house to watch both the sunrise and sunset. With intricate bas-relief collages, Giles Laroche uncovers the reason each home was constructed the way it was, then lets us imagine what it would be like to live in homes so different from our own. Showing the tremendous variety of dwellings worldwide—log cabins, houses on stilts, cave dwellings, boathouses, and yurts—this book addresses why each house is built the way it is. Reasons—such as blending into the landscape, confusing invaders, being able to travel with one's home, using whatever materials are at hand—are as varied as the homes themselves.

    The day Grace is called from the slave cabins to work in the Big House, Mama makes her promise to keep her eyes down. Uncle Jim warns her to keep her thoughts tucked private in her mind or they could bring a whole lot of trouble and pain.But the more Grace sees of the heartless Master and hateful Missus, the more a rightiness voice clamors in her head-asking how come white folks can own slaves, sell them on the auction block, and separate families forever. When that voice escapes without warning, it sets off a terrible chain of events that prove Uncle Jim's words true. Suddenly, Grace and her family must flee deep into the woods, where they brave deadly animals, slave patrollers, and the uncertainty of ever finding freedom.With candor and compassion, Ann E. Burg unearths a startling chapter of American history -- the remarkable story of runaways who sought sanctuary in the wilds of the Great Dismal Swamp -- and creates a powerful testament to the right of every human to be free.

    “The writing is direct, devastating, with no rhetoric or exploitation. The truth is in what’s said and in what is left out.”—ALA Booklist (starred review)Marion Blumenthal Lazan’s unforgettable and acclaimed memoir recalls the devastating years that shaped her childhood. Following Hitler’s rise to power, the Blumenthal family—father, mother, Marion, and her brother, Albert—were trapped in Nazi Germany. They managed eventually to get to Holland, but soon thereafter it was occupied by the Nazis. For the next six and a half years the Blumenthals were forced to live in refugee, transit, and prison camps, including Westerbork in Holland and Bergen-Belsen in Germany, before finally making it to the United States. Their story is one of horror and hardship, but it is also a story of courage, hope, and the will to survive.Four Perfect Pebbles features forty archival photographs, including several new to this edition, an epilogue, a bibliography, a map, a reading group guide, an index, and a new afterword by the author. First published in 1996, the book was an ALA Notable Book, an ALA Quick Pick for Reluctant Readers, and IRA Young Adults’ Choice, and a Notable Trade Book in the Field of Social Studies, and the recipient of many other honors. “A harrowing and often moving account.”—School Library Journal

    He dreams of someday competing in the Tour de France, the greatest bicycle race. But ever since Germany's occupation of France began two years ago, in 1940, the race has been canceled. Now there are soldiers everywhere, interrupting Marcel's rides with checkpoints and questioning.Then Marcel learns two big secrets, and he realizes there are worse things about the war than a canceled race. When he later discovers that his friend's entire family is in imminent danger, Marcel knows he can help -- but it will involve taking a risky bicycle ride to pass along covert information. And when nothing ends up going according to plan, it's up to him to keep pedaling and think quickly... because his friend, her family, and his own future hang in the balance.

    This title describes the cycle of myths about the Argonauts and the quest for the Golden Fleece, as well as the tales of the creation of Heaven and Earth, the labours of Hercules, Theseus and the Minotaur, and others.

    With photos, maps, and handwritten notes from Amelia herself—plus informative sidebars tackling everything from the history of flight to what Amelia liked to eat while flying (tomato soup).

    But when he tries to expose the truth with leaflets, he's tried for treason. Sentenced to death and waiting in a jail cell, Helmut's story emerges in a series of flashbacks that show his growth from a naive child caught up in the patriotism of the times, to a sensitive and mature young man who thinks for himself.

    He saw the whole, where others saw only parts. And he noticed details others failed to see. Through stunning illustrations and lyrical prose, this picture book presents the life and accomplishments of Ernest Everett Just, an African American biologist who made important discoveries about the cell in the 1930s. Through his careful observations and hard work, Ernest opened up the wonder of the universe to all of us, through a tiny egg cell.

    But Mama’s new husband doesn’t think a little girl should live with parents who work all night and sleep all day. Meanwhile, Lexie’s class has been raising money to ship a doll to the children of Japan in a friendship exchange, and when Lexie learns that the girl who writes the best letter to accompany the doll will be sent to the farewell ceremony in San Francisco, she knows she just has to be the winner. But what if a jealous classmate and Lexie’s own small lies to her grandmother manage to derail her plans? Inspired by a project organized by teacher-missionary Sidney Gulick, in which U.S. children sent more than 12,000 Friendship Dolls to Japan in hopes of avoiding a future war, Shirley Parenteau’s engaging story has sure appeal for young readers who enjoy historical fiction, and for doll lovers of all ages.