Louis Pasteur

Defines levers, explains their functions, and suggests simple experiments to demonstrate how they work.

The Uses Of Wind Energy Is The Topic Of This Book. Explains The Positive And Negative Impact This Form Of Energy Can Have On Our World.

Defines screws, explains their functions, and suggests simple experiments to demonstrate how they work.

Mammals are a very diverse group. From whales and dolphins that give birth in the water to platypuses that lay eggs, these life cycles can often seem very different. However, they’re very similar. Readers learn the basic structure of the mammal life cycle through simple language and accompanying diagrams that show the cycle step by step. The main content offers a way for struggling readers to more easily learn an important science curriculum topic, but can also be a great review tool for any reader.

El anónimo detective de El misterio de la cripta embrujada, El laberinto de las aceitunas y La aventura del tocador de señoras regresa a la acción en tiempos de crisis. Contra su voluntad, es decir, movido por la amistad y sin un euro en el bolsillo, vuelve a ejercer de insospechado sabueso en la Barcelona de hoy en una carrera contrarreloj por desarticular una acción terrorista antes de que intervengan los servicios de seguridad del Estado.Años después de dejar el sanatorio mental donde compartieron celda, Rómulo el Guapo le propone un golpe a nuestro protagonista. Su negativa y la...

When the Pilgrims landed near Plymouth, Massachusetts, in 1620 they were unprepared for the challenges they would face. Many Pilgrims died until Squanto, a Patuxet Indian, taught them how to survive. To give thanks for a good year, the Pilgrims threw a huge feast, later called Thanksgiving.

Young children are natural problem-solvers and always looking for answers, especially when it involves interesting animals. This Spanish-language edition of Fast and Flightless provides young curious readers with striking visual clues and simply written hints. Using the photos and text, readers rely on visual literacy skills, reading, and reasoning as they solve the animal mystery. Clearly written facts give readers a deeper understanding of how the animal lives. Additional text features, including a glossary and an index, help students locate information and learn new words.