Albert Einstein

This selection of riddles is just right: not too hard, not too easy, and all "dressed up" with beautiful illustrations.

The gold dollar coin bears the image of one of the most famous Native Americans in U.S. history; Sacagawea. Though much of her life remains a mystery, this book explores the story of this extraordinary woman who helped Lewis and Clark explore the American West. Age-appropriate language and content will help beginning readers understand this fascinating time in American history and introduce them to Sacagawea's captivating story. Exciting photographs help draw readers in, and a timeline of important events will reinforce what they've learned.

Molecules and atoms can take the form of a solid, a liquid, or a gas. Each state of matter has its own properties. Together, these three states of matter make up most everything in the universe! Learn all about mixtures and solutions with this Spanish science reader that brings the power of science and informational text to students at a level they can understand. Introduce students to STEM topics and new concepts and vocabulary terms like solvent, polarity, compound, and solubility with this nonfiction book that is aligned to state and national standards. The leveled text supports students...

Este libro es biográfico. Relata pormenores de la vida de Oscar de la Hoya, un excelente deportista México-americano, nacido el 4 de Febrero de 1973 en el este de Los Ángeles, California, Estados Unidos de América. El autor ha querido aquí testimoniar su reconocimiento y admiración por un hombre que aún joven conquistó la cúspide de su carrera como boxeador. Oscar se nos presenta como un joven modesto y sencillo que hace honor a sus raíces culturales; por lo que prefirió nacionalizarse mexicano, respetando su vínculo familiar con ese país. Aparece como un destacado pugilista. Y...