Tutored by her father, the mathematician Theon, Hypatia quickly became an authority in the subjects of mathematics, astronomy, and philosophy. Word spread of her brilliance, and scholars from all over the world journeyed to Alexandria to seek her teachings.

    If you really thought that Christopher Columbus discovered America or that Henry VIII definitely had six wives this book will bring you right back to Earth with a bump.Full of fantastic facts to wow your teachers, friends and family, the entries include: your hair and nails continue to grow after you die; a goldfish has a memory of about three seconds; water goes down the plughole the other way in Australia; ship's Captains can perform marriage ceremonies; a dog's mouth is cleaner than a human being's; lightning never strikes in the same place twice; eating before you swim is dangerous; pirates made people walk the plank; a dog year is equal to seven human years; 'Ring a Ring O'Roses' is about the Black Death; You only use 10 per cent of your brain; a swan can break a man's arm; you can use an umbrella as a parachute; and the Great Wall of China is the only man-made object visible from space.

    In this playful introduction to maps and geography, step by simple step, a young girl shows readers herself on a map of her room, her room on the map of her house, her house on the map of her street--all the way to her country on a map of the world. Once the reader is familiar with the maps, she demonstrates how readers can find their own country, state, and town--all the way back to their room--on each colorful map. Easy-to-read text, bright artwork, and charming details give children a lot to search for and will have them eager to help navigate on the next family vacation.  From the Hardcover Library Binding edition.

    . . Mummy Cat prowls his pyramid home, longing for his beloved owner. As he roams the tomb, lavish murals above his head display scenes of the cat with his young Egyptian queen, creating a story-within-a-story about the events of centuries past. Hidden hieroglyphs deepen the tale and are explained in an informative author’s note.         Marcus Ewert and Lisa Brown’s smart, beautiful book is a marvel of sophisticated simplicity, infinitely engaging to examine in detail, and complete with a sweetly surprising plot twist sure to delight young cat-lovers and budding Egyptologists alike.

    When Owen was stranded after the Dec 2004 tsunami, villagers in Kenya worked tirelessly to rescue him. Then, to everyone's amazement, the orphan hippo and the elderly tortoise adopted each other. Now they are inseparable, swimming, eating, and playing together. Adorable photos e-mailed from friend to friend quickly made them worldwide celebrities. Here is a joyous reminder that in times of trouble, friendship is stronger than the differences that too often pull us apart.

    Each sketch contains Questions and Projects to help you learn more about its topic and to see how its main ideas fit into the bigger picture of history. The 25 short stories are preceded by a 56-page bird's-eye overview of the entire panorama of mathematical history, a whirlwind tour of the most important people, events, and trends that shaped the mathematics we know today. Reading suggestions after each sketch provide starting points for readers who want to pursue a topic further."

    Once again, the Bird and Bee are up to their antics, but this time they're younger. In It's So Amazing!, these reassuring characters reflect the many moods of children age 7 and up: silly, serious, curious, embarrassed. Their voices echo the thoughts, questions, and concerns of a younger audience.

    Carefully chosen text from Lewis and Cark's actual journals opens a fascinating window into this country's exciting history.

    Bringing together an amazing array of images to explain every topic under the sun — and beyond, Picturepedia is the ultimate resource for kids ages 9– 12.Chapters on science and technology, nature, geography, culture, sports and hobbies, and history cover insects, musical instruments, spacecraft, world maps, famous discoveries, prehistoric life, and more. Every double-page spread contains a wealth of information on a given topic, with galleries, lists, sequences, facts, timelines, and much more; while every topic is illustrated with up to 100 photos, graphics, and illustrations.Perfect for gift giving, or adding to any home or school library, Picturepedia is a stimulating quick-reference that kids will come back to time and time again.

    She knew how many miles it was to the moon (and how many back). She loved studying algebra and geometry and calculus and using math to solve problems in the outside world.Soon math led her to MIT and then to helping NASA put a man on the moon! She handwrote code that would allow the spacecraft’s computer to solve any problems it might encounter. Apollo 8. Apollo 9. Apollo 10. Apollo 11. Without her code, none of those missions could have been completed.Dean Robbins and Lucy Knisley deliver a lovely portrayal of a pioneer in her field who never stopped reaching for the stars.

    David Peat explains the development and meaning of this Superstring Theory in a thoroughly readable, dramatic manner accessible to lay readers with no knowledge of mathematics. The consequences of the Superstring Theory are nothing less than astonishing.

    These stories are taken from a book that is sacred. As you read these stories, remember they are about real people who lived long ago.Read the stories over and over until you know them well. You will also want to read them from the Bible. Under each picture you will see where you can find that story in the Bible. Have your father, mother, teacher, or friend help you.If you do not know a word, look it up in “Words to Know” at the back of the book. If you do not know a person or place, look it up in “People to Know” or “Places to Know” at the back of the book.To Parents and TeachersThis book will help you teach the scriptures. The “Words to Know,” “People to Know,” and “Places to Know” sections will help you teach the meanings of words in this book and the identity of New Testament people and places. Other helps in this book include the maps, which will also help you to help those whom you teach.As you teach, share your testimony of the Bible. Encourage those whom you teach to seek prayerfully their own testimonies. Their understanding will grow when you read to them their favorite stories from the Bible itself.

    With artwork from Katie Scott of Animalium fame, Botanicum gives readers the experience of a fascinating exhibition from the pages of a beautiful book. From perennials to bulbs to tropical exotica, Botanicum is a wonderful feast of botanical knowledge complete with superb cross sections of how plants work.

    Open 365 days a year and unrestricted by the constraints of physical space, each title in this series is organized into galleries that display more than 200 full-color specimens accompanied by lively, informative text. Offering hours of learning, this first title within the series "Animalium" presents the animal kingdom in glorious detail with illustrations from Katie Scott, an unparalleled new talent.

    This recreational math book takes the reader on a fantastic voyage into the world of natural numbers. From the earliest discoveries of the ancient Greeks to various fundamental characteristics of the natural number sequence, Clawson explains fascinating mathematical mysteries in clear and easy prose. He delves into the heart of number theory to see and understand the exquisite relationships among natural numbers, and ends by exploring the ultimate mystery of mathematics: the Riemann hypothesis, which says that through a point in a plane, no line can be drawn parallel to a given line.While a professional mathematician's treatment of number theory involves the most sophisticated analytical tools, its basic ideas are surprisingly easy to comprehend. By concentrating on the meaning behind various equations and proofs and avoiding technical refinements, Mathematical Mysteries lets the common reader catch a glimpse of this wonderful and exotic world.