Hendrik Willem van Loon's ability to convey history as a fascinating tale of adventure has endeared this book to countless readers. 280 drawings.

    A devoted admirer of the great detective, he had learned his craft by listening at the feet of Holmes himself. The Mystery of the Missing Twins was one of the strangest cases in Basil's career. He had only a few crumbs of clues with which to find solutions to such baffling questions as: Who had masterminded the plot? Where were the twins, Angela and Agatha, being kept?

    may have put the first man on the moon, but it was the Soviet space program that made Valentina Tereshkova the first woman in space. It took years to catch up, but soon NASA’s first female astronauts were racing past milestones of their own. The trail-blazing women of Group 9, NASA’s first mixed gender class, had the challenging task of convincing the powers that be that a woman’s place is in space, but they discovered that NASA had plenty to learn about how to make space travel possible for everyone.

    It is the powerful story of four African-American female mathematicians at NASA who helped achieve some of the greatest moments in our space program. Now a major motion picture starring Taraji P. Henson, Octavia Spencer, Janelle Monae, Kirsten Dunst, and Kevin Costner.Before John Glenn orbited the earth, or Neil Armstrong walked on the moon, a group of dedicated female mathematicians known as “human computers” used pencils, slide rules, and adding machines to calculate the numbers that would launch rockets, and astronauts, into space.This book brings to life the stories of Dorothy Vaughan, Mary Jackson, Katherine Johnson, and Christine Darden, who lived through the Civil Rights era, the Space Race, the Cold War, and the movement for gender equality, and whose work forever changed the face of NASA and the country.

    Recently, she heard he was being held prisoner by the Nazis, a terrible sentence from which Meg fears he'll never return. All she has left of him are the codes he placed in a jar for her to decipher, an affectionate game the two of them shared. But the codes are running low, and soon there'll be nothing left of Papa for Meg to hold on to at all.Suddenly, an impossible chance to save her father falls into Meg's lap. After following a trail of blood in the snow, Meggie finds an injured British spy hiding in her grandmother's barn. Captain Stewart tells her that a family of German refugees must be guided across Nazi-occupied France to neutral Spain, whereupon one of them has promised to free Meg's father. Captain Stewart was meant to take that family on their journey, but too injured to complete the task himself, he offers it to Meg, along with a final code from Papa to help complete the mission -- perhaps the most important, and most difficult, riddle she's received yet.As the Nazis flood Meg's village in fierce pursuit, she accepts the duty and begins the trek across France. Leading strangers through treacherous territory, Meg faces danger and uncertainty at every turn, all the while struggling to crack her father's code. The message, as she unravels it, reveals secrets costly enough to risk the mission and even her own life. Can Meg solve the puzzle, rescue the family, and save her father?

    This fictionalized account of their time together opens at the beginning of the Great Depression, when Tru is seven and Nelle is six. They love playing pirates, but they like playing Sherlock and Watson-style detectives even more. It’s their pursuit of a case of drugstore theft that lands the daring duo in real trouble. Humor and heartache intermingle in this lively look at two budding writers in the 1930s South.

    Silas is left shaken, scared, and alone, except for the presence of his companion, Mittenwool . . . who happens to be a ghost. When a pony shows up at his door, Silas makes the courageous decision to leave his home and embark on a perilous journey to find his father. Along the way, he will face his fears to unlock the secrets of his past and explore the unfathomable mysteries of the world around him.

    Joseph Johnson has lost just about everyone he's ever loved. He lost his pa in an accident. He lost his ma and his little sister to sickness. And now, he's lost his pony--fast, fierce, beautiful Sarah, taken away by a man who had no right to take her.Joseph can sure enough get her back, though. The odds are stacked against him, but he isn't about to give up. He will face down deadly animals, dangerous men, and the fury of nature itself on his quest to be reunited with the only family he has left.Because Joseph Johnson may have lost just about everything; but he hasn't lost hope. And he hasn't lost the fire in his belly that says he's getting his Sarah back--no matter what.

      Terpsichore can’t wait to follow in Laura Ingalls Wilder’s footsteps . . . now she just has to convince her mom. It’s 1934, and times are tough for their family. To make a fresh start, Terpsichore’s father signs up for President Roosevelt’s Palmer Colony project, uprooting them from Wisconsin to become pioneers in Alaska. Their new home is a bit of a shock—it’s a town still under construction in the middle of the wilderness, where the residents live in tents and share a community outhouse. But Terpsichore’s not about to let first impressions get in the way of this grand adventure. Tackling its many unique challenges with her can-do attitude, she starts making things happen to make Alaska seem more like home. Soon, she and her family are able to start settling in and enjoying their new surroundings—everyone except her mother, that is. So, in order to stay, Terpsichore hatches a plan to convince her that it’s a wonderful—and civilized—place to live . . . a plan that’s going to take all the love, energy, and Farmer Boy expertise Terpsichore can muster.

    Rena worked as a slave laborer with scarcely any food and watched as friends and family were sent away.Then Rena and her mother ended up working for Oskar Schindler, a German businessman who employed Jewish prisoners in his factory and kept them fed and healthy. But Rena's nightmares were not over. She and her mother were deported to the concentration camp Auschwitz. With great cunning, it was Schindler who set out to help them escape.Here in her own words is Rena's gripping story of survival, perseverance, tragedy, and hope. Including pictures from Rena's personal collection and from the time period, this unforgettable memoir introduces young readers to an astounding and necessary piece of history.

    For twelve-year-old Mathilde, it means food shortages, feuding neighbors, and bombings. Even so, as long as she and her best friend, Megs, are together, they'll be all right.But the army is recruiting children, and paying families well for their service. If Megs takes the test, Mathilde knows she will pass. Megs hopes the army is the way to save her family. Mathilde fears it might separate them forever.A reimagining of war, where even kindness can be a weapon, and children have the power to see what adults cannot.

    Both were brilliant students who attended college--one at Princeton, the other at Columbia--and studied law. Both were young staff officers under General George Washington, and both became war heroes. Politics beckoned them, and each served in the newly formed government of the fledgling nation. Why, then, did these two face each other at dawn in a duel that ended with death for one and opprobrium for the other? Judith St. George's lively biography, told in alternating chapters, brings to life two complex men who played major roles in the formation of the United States.

    But his story is legend in this real-life saga. This epic warrior tale reads like a novel, but this is the true story of the greatest samurai in Japanese history. When Yoshitsune was just a baby, his father went to war with a rival samurai family—and lost. His father was killed, his mother captured, and his surviving half-brother banished. Yoshitsune was sent away to live in a monastery. Skinny, small, and unskilled in the warrior arts, he nevertheless escaped and learned the ways of the samurai. When the time came for the Minamoto clan to rise up against their enemies, Yoshitsune answered the call. His daring feats and impossible bravery earned him immortality.

    Mesmer’s mysterious powers in a whimsical look at a true moment in history.The day Ben Franklin first set foot in Paris, France, he found the city all abuzz. Everyone was talking about something new. Remarkable. Thrilling. Strange. Something called Science!But soon the straightforward American inventor Benjamin Franklin is upstaged by a compelling and enigmatic figure: Dr. Mesmer. In elaborately staged shows, Mesmer, wearing a fancy coat of purple silk and carrying an iron wand, convinces the people of Paris that he controls a magic force that can make water taste like a hundred different things, cure illness, and control thoughts! But Ben Franklin is not convinced. Will his practical approach of observing, hypothesizing, and testing get to the bottom of the mysterious Mesmer’s tricks? A rip-roaring, lavishly illustrated peek into a fascinating moment in history shows the development and practice of the scientific method—and reveals the amazing power of the human mind.

    So when he becomes the page of Captain John Smith and boards the ship the Susan Constant, bound for the New World, he can't believe his good fortune. He's heard that gold washes ashore with every tide. But beginning with the stormy journey and his first contact with the native people, he realizes that the New World is nothing like he had ever imagined. The lush Virginia shore where they establish the colony of James Town is both beautiful and forbidding, and it s hard to know who's a friend or foe. As he learns the language of the Algonquin Indians and observes Captain Smith's wise diplomacy, Samuel begins to see that he can be whomever he wants to be in this new land.