Mi libro gigante de máquinas

Con imágenes familiares, textos sencillos y piezas para quitar y poner en cada página, este libro de primeras palabras ayudará al desarrollo del vocabulario de tus hijos. With familiar images, simple texts, and pieces to place and remove on each page, this book of first words will help develop children's vocabulary.

Tommy Fuller and his family help a runaway slave family follow the stars in the Little Bear constellation to freedom.

Imagine traveling at half the speed of a jet plane without ever leaving the ground! Students will discover the technology that makes such speeds possible, from special tracks and safety precautions to aerodynamically designed trains. What are the limits to the speed of trains? What imposes those limits? Students also will read about the future of passenger train travel, from flying trains to trains that use huge magnets to levitate inches or centimeters off the track. Some trains safely reach speeds of more than 200 mph!

A powerful and poetic play from the author of Death and the Maiden. A Man and a Woman in purgatory - a soul-less white room. Each is interrogated in turn by the other. Each is groping for forgiveness and contrition. But one of them has done something unforgiveable...

GRADES K–2: Bring Spanish into the classroom! Introduce early elementary students to the topics of solar heat, light, and energy with this science-themed Spanish title. FEATURES: Kids will learn about how the sun's energy is harnessed, and complete an activity that supports further comprehension. EARLY BILINGUAL LITERACY: Help young learners strengthen their bilingual skills—add the English version of this title into your collection, too. WHY MY PHYSICAL SCIENCE LIBRARY: This collection introduces a variety of science topics while presenting complicated information in easy-to-understand...