El Misterioso Mundo de los Códigos Secretos

What does swimming in a pool, drinking through a straw, breathing in air, and circulating blood all have in common? They all require a form of air or water pressure! Readers will discover the variety of ways that air and water pressure make an impact on our lives and the things in them. This fact-filled, Spanish-translated nonfiction title includes real-life examples and basic experiments to aid in the development of understanding physic and scientific concepts. Readers will be introduced to and learn about Archimedes Principle, atmospheric pressure, vacuums, water density, and hydraulics...

Antes de volverse abogada, senadora y vicepresidenta de los Estados Unidos, Kamala Harris era una niña que amaba a los superhéroes. ¡Y, para su sorpresa, cuando miró a su alrededor, los encontró por todas partes! En esta jubilosa y empoderadora memoria ilustrada que habla directamente a la niñez, Kamala Harris lleva a los lectores a recorrer su vida y les enseña que el poder para hacer del mundo un lugar mejor está en todos nosotros. [Críticas/Reseñas]

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.

Readers find out what it's like for astronauts to eat, sleep, and work on a manned space flight in this adventurous, Spanish-translated nonfiction title. Children will discover what it's like to be weightless in zero gravity, how Mission control helps keep astronauts safe, and what astronauts do during their free time through vivid photographs, interesting, informative text, and stimulating facts.