His father, musician Vincenzio Galilei said, “Truth is not found behind a man’s reputation. Truth appears only when the answers to questions are searched out by a free mind. This is not the easy path in life but it is the most rewarding.” Galileo challenged divine law and the physics of Aristotle, and questioned everything in search of truths. And it was through this quest for truth that he was able to establish a structure for modern science.

    You'll discover why it takes a lot of quill power to put down 'How's Inky?'

    Louis, Missouri, on May 21, 1804, their mission was to explore the vast, unknown territory acquired a year earlier in the Louisiana Purchase. The travelers hoped to find a waterway that crossed the western half of the United States. They didn't. However, young readers will love this true-life adventure tale of the two-year journey that finally brought the explorers to the Pacific Ocean.

    The book uses the theme of evolution to develop a broad-scale view of animal diversity--students focus not only the organisms themselves, but also the processes that produce evolutionary diversity. The book is unique in its comprehensive survey of zoological diversity and its emphasis on evolutionary, systematic and ecological principles, all in one package.

    A biography of the famous frontiersman and Congressman, focusing on his childhood.

    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.

    Gonzalez-Crussi, from the Introduction An international bestseller, translated into eighteen languages, Paul de Kruif’s classic account of the first scientists to see and learn about the microscopic world continues to fascinate new readers. This is a timeless dramatization of the scientists, bacteriologists, doctors, and medical technicians who discovered the microbes and invented the vaccines to counter them. De Kruif writes about how seemingly simple but really fundamental discovers of science—for instance, how a microbe was first viewed in a clear drop of rain water, and when, for the first time, Louis Pasteur discovered that a simple vaccine could save a man from the ravages of rabies by attacking the microbes that cause it.

    For among the finches of Daphne Major, natural selection is neither rare nor slow: it is taking place by the hour, and we can watch.In this dramatic story of groundbreaking scientific research, Jonathan Weiner follows these scientists as they watch Darwin's finches and come up with a new understanding of life itself. The Beak of the Finch is an elegantly written and compelling masterpiece of theory and explication in the tradition of Stephen Jay Gould.With a new preface.

    After hours of trying to find his way back, a nervous and tired Donn falls down an embankment, making it impossible for him to be found. One sleepless night goes by, followed by a second . . . and before Donn knows it, almost two weeks have passed, leaving him starving, scared, and delirious.With rainstorms, black bears, and his fear of being lost forever, Donn's journey is a physically, mentally, and emotionally charged story told from the point of view of the boy who lived it.

    The class wants to help look for her. Ms. Frizzle says, "The best way to find a frog is to be a frog!" So, the kids take a ride on the Magic School Bus. Join them as they shrink to frog size and learn all about animal habitats!

    In the summer, Dillard stalks muskrats in the creek and contemplates wave mechanics; in the fall she watches a monarch butterfly migration and dreams of Arctic caribou. She tries to con a coot; she collects pond water and examines it under a microscope. She unties a snake skin, witnesses a flood, and plays 'King of the Meadow' with a field of grasshoppers.

    Kids will read about why he called himself the "Great Admirald of the Seas" and learn of his struggles to find financial support for his voyage.

    Since 1836, children have been delighted by these volumes filled with exotic adventures, exciting stories, beautiful poems, and funny fables.

    Yet the basic mystery about dinosaurs is easy to solve with thehelp of God's Word. This unusual book presents dinosaurs as a part of God'swonderful creation and uses them to introduce important Biblical concepts concerningCreation, the nature of God, Man's fall to sin, Noah's Flood, Christ's redemption,and God's plan for the restoration of paradise.Many a new dinosaur discoveries are revealed."This is a wonderfully unique book. Children will find it fascinating...adultswill appreciate its unusual new insights...I am glad to recommend it heartilyto young and old alike."—Dr. Henry M. Morris

    Seymour Reit re-creates the true story of Will Knox, a nineteen-year-old boy who undertook the daring and dangerous task of transporting 183 cannons from New York’s Fort Ticonderoga to Boston--in the dead of winter--to help George Washington win an important battle.