Barcos de rescate

El autor de “El cementerio marino” se reconoce en la figura de Leonardo, más un Leonardo “posible” que un Leonardo “histórico”, no por ello menos real y riguroso, y sus análisis son precisa manifestación tanto del arte del pintor cuanto de la estética del propio Valéry

Mars is perhaps the most thrilling planet these days. With rovers exploring its surface and manned missions in the works, people are wondering if Mars is our next home! In this highinterest book, readers will learn more about Earth's neighbor, including what its climate and surface are like, why it's called the Red Planet, and about the recent discovery of water on its surface. They'll learn all this while solving "Your Mission" math problems that complement and support the text. This motivating volume is an engaging way to explore key aspects of science and math curricula.

Explores Energy, How We Use It, Different Types And Forms, Conservation And Transformation Of Energy, Renewable Vs. Non-Renewable, And Energy Conservation.

Juneteenth is usually celebrated on June 19. It honors the day in 1865 when Union troops swept into Galveston, Texas, and told the elated slaves there that they were free. This accessible volume delves into the American Civil War, the Emancipation Proclamation, and the events that led to this special holiday for African Americans and everyone who celebrates the end of slavery in the United States. Carefully chosen photographs reflect this special commemoration, both in the past and today.