Francisco Coronado

Inspirado en el bestseller #1 del New York Times She Persisted de Chelsea Clinton y Alexandra Boiger, llega ahora esta serie en Chapter Books sobre mujeres que sobresalieron, lucharon y se levantaron contra viento y marea. Harriet Tubman, quien nació esclavizada, se convirtió en una de las conductoras más exitosas, más decidida y conocida del Ferrocarril Subterráneo. Con el amor de su familia firmemente plantado en su corazón, Harriet miró a la Estrella del Norte en busca de orientación para escapar, y su luz la ayudó a salir de la esclavitud. Su coraje le permitió ayudar a muchos...

What would happen if a Tyrannosaurus rex and a velociraptor met each other? What if they had a fight? Who do you think would win? Este lector de no-ficción compara y contrasta dos feroces dinosaurios. Los pequeños aprenderán sobre la anatomía, el comportamiento y más de ambos dinosaurios. Este libro está lleno de fotos, gráficos, ilustraciones y datos increíbles.This nonfiction reader compares and contrasts two ferocious dinosaurs. Kids learn about the dinos' anatomies, behaviors, and more. The book is packed with photos, charts, illustrations, and amazing facts.

For ages, the idea of machines that think and act on their own has gripped scientists, thinkers, and the general public. This book explores the history of artificial intelligence (A.I.), and how science fiction is quickly becoming science fact. It examines the technologies involved in A.I. and its inevitable effects on work, life, health, and many other aspects of human society. Rooted in history and science, this book provides an inside look at a topic that captivates engineers, scientists, and dreamers, but also raises important ethical issues and challenges how we see ourselves and our...

Three Puerto Rican stories include the title story, which represents the land's indigenous Tainos; the tale of la Guinea, which is rooted in the nation's African culture; and la Mula's tale, a story of Spanish origin.