¿Qué son los peces? (What Are Fish?)

Introduce students to Martin Luther King, Jr. with this Spanish-translated biography featuring dynamic primary source documents. Readers will learn about Civil Rights Movement leader and his inspirational life as he fought for equality and desegregation for African Americans through nonviolence. Students will also discover topics such as discrimination, sit-ins, the Nobel Peace Prize, and the March on Washington. Informational text features help students navigate the text.

Lights! Camera! It's time to explore the art of animation! This engaging, Spanish-translated nonfiction title allows readers to explore an exciting career as an animator. Readers will be introduced to the history of animation and find out what techniques and equipment animators used to turn their illustrations into the first animated shorts. Through stimulating facts, vivid images, sketches, photos, informative text, and an interview with a real-life animator, readers will discover everything about animation, including character development, storyboarding, and even how the Foley artists...

The rock cycle has been taking place for millions of years. However, geologists have only known about this phenomenon for about 300 years. Young terrestrial explorers are introduced to different types of rocks, where in the cycle these rocks fit, and where in Earth's layers each step takes place. Fact boxes provide readers with fun additional information. A diagram helps readers make sense of the new information they're learning.

El carácter de Kolmogórov se forjó en una época de revoluciones sociales y guerras mundiales. Vivió el estalinismo, la posterior rectificación de errores y el inmovilismo que luego daría paso a la perestroika. Aunque siempre se consideró a sí mismo un matemático puro, una parte esencial de su obra fueron sus investigaciones aplicadas a otras ciencias. Sus esfuerzos estaban regidos por una idea clara - discernir las diferencias y similitudes entre orden y caos. Mucho más que cualquier otro matemático, amplió los dominios y la comprensión humana del azar. Reinó en una escuela...