"An eleven-year-old girl discovers a family of panthers that were thought to be extinct. But when others find out they are alive, too, she must risk everything to save the species"--

Ryland Grace is the sole survivor on a desperate, last-chance mission—and if he fails, humanity and the earth itself will perish. Except that right now, he doesn’t know that. He can’t even remember his own name, let alone the nature of his assignment or how to complete it. All he knows is that he’s been asleep for a very, very long time. And he’s just been awakened to find himself millions of miles from home, with nothing but two corpses...

Once again, Earth is under attack. An alien species is poised for a final assault. The survival of humanity depends on a military genius who can defeat the aliens. But who? Ender Wiggin. Brilliant. Ruthless. Cunning. A tactical and strategic master. And a child. Recruited for military training by the world government, Ender's childhood ends the moment he enters his new home: Battle School. Among the elite recruits Ender proves himself to be a genius...

Evolution was not discovered single-handedly, Rebecca Stott argues, contrary to what has become standard lore, but is an idea that emerged over many centuries, advanced by daring individuals across the globe who had the imagination to speculate on nature's extraordinary ways, and who had the courage to articulate such speculations at a time when to do so was often considered heresy.

"A green sea turtle hatches and grows up in the ocean, then moves to shallower water near a coral reef where she spends most of the rest of her life. Includes supplementary information about turtles, coral reef creatures, maps, and activities"--

This project addressed movement of nonnative fish into river reaches of critical habitat for endangered fishes from floodplain habitats. Nonnative fishes of the Family Centrarchidae are known to occur in floodplain ponds, backwaters, beaver ponds, washes and irrigation drainage ditches throughout the Grand Valley reach of the Colorado River. The primary objectives of this project were to determine whether the origins and movements of centrarchids...

How did marriage, considered a religious duty in medieval Europe, become a venue for personal fulfillment in contemporary America? How did the notion of romantic love, a novelty in the Middle Ages, become a prerequisite for marriage today? And, if the original purpose of marriage was procreation, what exactly is the purpose of marriage for women now? Combining "a scholar's rigor and a storyteller's craft"(San Jose Mercury News), distinguished cultural...

We've all asked, "What is the world coming to?" But we seldom ask, "How bad was the world in the past?" In this startling new book, cognitive scientist Steven Pinker shows that the past was much worse. Evidence of a bloody history has always been around us: genocides in the Old Testament, gory mutilations in Shakespeare and Grimm, monarchs who beheaded their relatives, and American founders who dueled with their rivals. The murder rate in medieval...