Nos Divertimos/On All Kinds of Days

Introduces different kinds of light, the properties of light, and how light can create shadows of different shapes and sizes.

Presents the things that everyone needs, as well as things some people want, and invites the reader to consider his or her own wants and needs.

Computer science is all around us, at school, at home, and in the community. This book gives readers the essential tools they need to understand the computer science concept of debugging. Brilliant color photographs and accessible text will engage readers and allow them to connect deeply with the concept. The computer science topic is paired with an age-appropriate curricular topic to deepen readers' learning experience and show how debugging works in the real world. In this book, readers will investigate what's wrong with a microscope and learn how to fix it. This nonfiction book is paired...

¿Por qué perdimos la guerra? analiza de forma clara y detallada las razones que llevaron al ejército republicano a la derrota en la Guerra Civil española. Carlos Rojas presenta una completísima obra que incluye una antología con los testimonios de muchos de los vencidos en la contienda española.La obra se compone de seis apartados con las diferentes interpretaciones de las causas que motivaron la catástrofe republicana, en un conflicto que Stanley Payne llamó, y con razón, «la mayor tragedia de la historia española después de la Guerra de la Independencia». Una obra capital que...

Acompaña a Óptimus Prime y a su equipo de Autobots en su lucha por defender el planeta Tierra de Megatrón y sus malvados Decepticons. Con este fantástico libro de actividades a todo color, encontrarás una gran variedad de juegos y puzles para entretenerte con toda la emoción de Transformers Prime. ¡Además, podrás recortar tu propia máscara de Transformers!

Book Features: • Ages 5-8, Grades K-2 • 24 pages, 8 inches x 8 inches • Simple, easy-to-read pages in Spanish with full-color pictures • Includes a glossary, index, and an engineering design activity • Supports NGSS Problem-Solving Designs: In Mi Biblioteca de Ingeniería: Diseño y Construcción para Ayudar, kindergarten—second graders learn about some of the most fascinating designs that help people every day! Engineering Made Fun: Engineers solve problems to help society function better. Young readers learn about some of the amazing designs and inventions created to help people ...